---
title: List of Error Codes
slug: developer-tools/error-codes/list
excerpt: Explore the list of error codes returned through Pine Labs Online APIs.
hidden: false
metadata:
  title: "Complete Payment Error Code List | Pine Labs Developer Reference"
  description: >-
    Comprehensive list of Pine Labs payment error codes across all methods. Includes reasons, descriptions, and solutions for transaction errors, authentication failures, card issues.
  keywords: "payment error codes, API error list, transaction errors, error code reference, payment failure codes, integration errors"
  robots: index
sidebar_order: 2
---

The table below lists the top error codes associated with various payment methods, along with their corresponding reasons and descriptions.

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| Code                                                 | message                                                                                                                                 | Status Code | Source            |
| ---------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------- | ----------- | ----------------- |
| `INTERNAL_ERROR`                                     | Internal server error. The request cannot be processed at this time                                                                     | 500         | INTERNAL          |
| `DUPLICATE_REQUEST`                                  | The request has already been processed                                                                                                  | 422         | INTERNAL          |
| `USER_AUTHENTICATION_FAILED`                         | User Authentication Failed, Please try again with valid parameters.                                                                     | 422         | INTERNAL          |
| `AMOUNT_LIMIT_EXCEEDED`                              | The transaction was declined because the specified amount exceeds allowed limits                                                        | 422         | ACQUIRER          |
| `CARD_EXPIRED`                                       | Specified card is not allowed for this transaction because it has expired                                                               | 422         | ACQUIRER          |
| `CARD_LOST`                                          | Specified card is not allowed for this transaction because it was flagged as lost                                                       | 422         | ACQUIRER          |
| `CARD_NOT_ALLOWED`                                   | Specified card is not allowed for this transaction                                                                                      | 422         | ACQUIRER          |
| `CARD_NOT_ENROLLED`                                  | Specified card is not allowed for this transaction because it is not enrolled for 3DS                                                   | 422         | ACQUIRER          |
| `CARD_STOLEN`                                        | Specified card is not allowed for this transaction because it was flagged as stolen                                                     | 422         | ACQUIRER          |
| `CARD_VERIFICATION_FAILED`                           | Invalid CVV specified on the card payment option                                                                                        | 422         | ACQUIRER          |
| `INSUFFICIENT_FUNDS`                                 | Insufficient funds to proceed with payment using the specified payment option                                                           | 422         | ACQUIRER          |
| `INVALID_CARDHOLDER`                                 | Invalid card holder specified on the card payment option                                                                                | 422         | ACQUIRER          |
| `INVALID_INSTRUMENT`                                 | The payment instrument details are not valid                                                                                            | 422         | ACQUIRER          |
| `INVALID_REQUEST`                                    | The request does not the expected contract and cannot be processed. This may be due to malformed request, invalid or missing parameters | 400         | INTERNAL/ACQUIRER |
| `INVALID_USER_ACCOUNT`                               | Relevant User Account not active/valid                                                                                                  | 422         | INTERNAL          |
| `ISSUER_NOT_SUPPORTED`                               | The specified issuer is not supported for this operation                                                                                | 422         | INTERNAL          |
| `PAYMENT_DECLINED`                                   | The payment was declined by the acquirer                                                                                                | 422         | ACQUIRER          |
| `PAYMENT_EXPIRED`                                    | The payment has expired and cannot be modified further                                                                                  | 422         | ACQUIRER          |
| `PAYMENT_METHOD_NOT_ENABLED`                         | The specified payment method is not enabled for the merchant                                                                            | 422         | INTERNAL          |
| `PAYMENT_NOT_AUTHORIZED`                             | The payment requires authorization before it can be processed                                                                           | 422         | ACQUIRER          |
| `PAYMENT_RATE_LIMIT`                                 | The payment was declined because too many payments were attempted using the specified payment option                                    | 422         | ACQUIRER          |
| `RISK_CHECK_FAILED`                                  | The payment was declined after a risk check                                                                                             | 422         | INTERNAL/ACQUIRER |
| `TIMED_OUT`                                          | The request timed out. Please try again latet.                                                                                          | 422         | INTERNAL/ACQUIRER |
| `UNAUTHORIZED`                                       | The client is not authorized to perform this operation                                                                                  | 422         | INTERNAL/ACQUIRER |
| `USER_UNAUTHORIZED`                                  | the user is not authoirzed to do the transaction                                                                                        | 400         | ACQUIRER          |
| `UNKNOWN_ERROR`                                      | Failure due to Unknown reason                                                                                                           | 422         | ACQUIRER          |
| `OPERATION_NOT_ALLOWED`                              | Refund not allowed on this order type                                                                                                   | 422         | ACQUIRER          |
| `API_RATE_LIMIT`                                     | Failure due to allowed attempts exceeded                                                                                                | 422         | ACQUIRER          |
| `INCORRECT_OTP`                                      | the OTP submitted is incorrect                                                                                                          | 400         | ACQUIRER          |
| `TRANSATION_NOT_ALLOWED`                             | the user needs to sign up first on the application.                                                                                     | 400         | ACQUIRER          |
| `OTP_EMPTY`                                          | otp can not be empty                                                                                                                    | 400         | processor/gateway |
| `EMPTY_REQUEST`                                      | Empty object sent                                                                                                                       | 400         | processor/gateway |
| `EMPTY_MOBILE_NUMBER`                                | Mobile number empty                                                                                                                     | 400         | processor/gateway |
| `EMPTY_AMOUNT`                                       | amount can not be empty                                                                                                                 | 400         | processor/gateway |
| `NEGATIVE_AMOUNT`                                    | amount should be greater than zero                                                                                                      | 400         | processor/gateway |
| `CURRENCY_REQUIRED`                                  | currency is required                                                                                                                    | 400         | processor/gateway |
| `ELIGIBILITY_RESPONSE_ID_EMPTY`                      | something is missing in the request                                                                                                     | 400         | processor/gateway |
| `EMPTY_MERCHANT_DETAILS`                             | merchant details are empty                                                                                                              | 400         | processor/gateway |
| `EMPTY_MERCHANT_ID`                                  | merchant id is not mentioned                                                                                                            | 400         | processor/gateway |
| `EMPTY_MERCHANT_ORDER_REFERENCE`                     | something is missing in the request                                                                                                     | 400         | processor/gateway |
| `EMPTY_REFUND_PAYMENT_ID`                            | refund payment id is not present in the request                                                                                         | 400         | processor/gateway |
| `EMPTY_PAYMENT_ID`                                   | payment id is not present                                                                                                               | 400         | processor/gateway |
| `EMPTY_TRANSACTION_REFERENCE`                        | something is missing in the request                                                                                                     | 400         | processor/gateway |
| `EMPTY_PAYMENT_TYPE`                                 | payment type is empty                                                                                                                   | 400         | processor/gateway |
| `LAZY_PAY_SERVICE_UNAVAILABLE`                       | some error occured on the acquirer end                                                                                                  | 500         | processor/gateway |
| `MERCHANT_NOT_VALID`                                 | merchant is not valid                                                                                                                   | 400         | processor/gateway |
| `AMOUNT_INVALID`                                     | amount is incorrect                                                                                                                     | 400         | processor/gateway |
| `PAYMENT_ID_INVALID`                                 | payment id is incorrect                                                                                                                 | 400         | processor/gateway |
| `INQUIRY_REQUEST_WRONG`                              | inquiry request is not set properly.                                                                                                    | 400         | processor/gateway |
| `INTERNAL_ERROR_OCCURED`                             | some internal error occured                                                                                                             | 422         | processor/gateway |
| `ORDER_NOT_FOUND`                                    | Order not found                                                                                                                         | 404         | ACQUIRER          |
| `INVALID_MERCHANT`                                   | The payment was declined by the card issuer on this merchant                                                                            | 422         | ACQUIRER          |
| `ORDER_CANCELLED`                                    | The order has already been cancelled and cannot be modified further.                                                                    | 422         | ACQUIRER          |
| `ISSUER_NOT_AVAILABLE`                               | The payment was declined as issuer was not available                                                                                    | 422         | ACQUIRER          |
| `REFUND_LIMIT`                                       | The maximin refund limit rfund reached                                                                                                  | 422         | ACQUIRER          |
| `INVALID_CARD`                                       | The card number or details entered seem incorrect.                                                                                      | 422         | INTERNAL          |
| `CARD_NOT_ELIGIBLE_FOR_EMI`                          | This card doesn't support EMI or offer options.                                                                                         | 422         | INTERNAL          |
| `CUSTOMER_NOT_ELIGIBLE_FOR_EMI`                      | You're not eligible for this EMI or offer.                                                                                              | 422         | INTERNAL          |
| `PRODUCT_ALREADY_SOLD`                               | Product not available for this transaction.                                                                                             | 422         | INTERNAL          |
| `OFFER_EXPIRED`                                      | The selected offer has expired.                                                                                                         | 422         | INTERNAL          |
| `DC_CREDIT_LIMIT_BLOCKING_FAILED`                    | Your card limit could not be blocked.                                                                                                   | 422         | INTERNAL          |
| `DC_CREDIT_LIMIT_UNBLOCKING_FAILED`                  | Card limit release failed.                                                                                                              | 422         | INTERNAL          |
| `CUSTOMER_CARDLESS_BLOCKING_FAILED`                  | Unable to block credit limit for cardless EMI.                                                                                          | 422         | INTERNAL          |
| `CUSTOMER_CARDLESS_UNBLOCKING_FAILED`                | Unable to release credit hold after cancellation.                                                                                       | 422         | INTERNAL          |
| `VELOCITY_BLOCKING_FAILED`                           | Card or account spending limits exceeded.                                                                                               | 422         | INTERNAL          |
| `VELOCITY_UNBLOCKING_FAILED`                         | Unable to reset usage limits.                                                                                                           | 422         | INTERNAL          |
| `VOID_TRANSACTION_FAILED`                            | We couldn't cancel this transaction.                                                                                                    | 422         | INTERNAL          |
| `GRANT_LOAN_FAILED`                                  | Couldn't complete EMI booking.                                                                                                          | 422         | INTERNAL          |
| `CANCEL_LOAN_FAILED`                                 | Cancelling the EMI booking failed.                                                                                                      | 422         | INTERNAL          |
| `REFUND_LOAN_FAILED`                                 | Refund wasn't processed successfully.                                                                                                   | 422         | INTERNAL          |
| `ELIGIBILITY_CHECK_FAILED`                           | You're not eligible for the selected EMI/offer.                                                                                         | 422         | INTERNAL          |
| `SEND_PAYMENT_LINK_FAILED`                           | We couldn't send you the payment link.                                                                                                  | 422         | INTERNAL          |
| `DC_CREDIT_LIMIT_CHECK_FAILED`                       | Couldn't verify debit card limits.                                                                                                      | 422         | INTERNAL          |
| `CREDIT_LIMIT_CHECK_FAILED`                          | Credit card balance couldn't be verified.                                                                                               | 422         | INTERNAL          |
| `CARD_CREDIT_LIMIT_CHECK_FAILED`                     | Credit card limit verification failed.                                                                                                  | 422         | INTERNAL          |
| `VELOCITY_CHECK_FAILED`                              | Too many transactions or volume used.                                                                                                   | 422         | INTERNAL          |
| `PRODUCT_VALIDATION_FAILED`                          | Product info seems incorrect.                                                                                                           | 422         | INTERNAL          |
| `IMEI_VALIDATION_FAILED`                             | Problem validating device IMEI.                                                                                                         | 422         | INTERNAL          |
| `IMEI_BLOCK_FAILED`                                  | Unable to secure device for EMI.                                                                                                        | 422         | INTERNAL          |
| `DC_CREDIT_LIMIT_CHECK_REQUIRED`                     | Limit verification incomplete; action needed.                                                                                           | 422         | INTERNAL          |
| `VELOCITY_CHECK_REQUIRED`                            | Spend/transaction monitoring required.                                                                                                  | 422         | INTERNAL          |
| `TXN_EXPIRED`                                        | Your transaction session expired due to inactivity.                                                                                     | 422         | INTERNAL          |
| `INVALID_RESPONSE_RECEIVED_FOR_PRODUCT_BLOCK`        | Couldn't lock the product on selection.                                                                                                 | 422         | INTERNAL          |
| `PRODUCT_DETAILS_NOT_PRESENT`                        | Product details are incomplete or invalid.                                                                                              | 422         | INTERNAL          |
| `PRODUCT_AMOUNT_NOT_PRESENT`                         | Something wrong with product pricing.                                                                                                   | 422         | INTERNAL          |
| `ISSUER_ID_NOT_FOUND`                                | Bank or issuer doesn't support this offer.                                                                                              | 422         | INTERNAL          |
| `ACQUIRER_DETAILS_NOT_FOUND`                         | Payment acquirer not supported for this transaction.                                                                                    | 422         | INTERNAL          |
| `MOBILE_NUMBER_NOT_PRESENT`                          | Mobile number needed for EMI/payment.                                                                                                   | 422         | INTERNAL          |
| `ALLOWED_TXN_COUNT_CONSUMED`                         | Offer already used with this card/customer.                                                                                             | 422         | INTERNAL          |
| `ALLOWED_TOTAL_COMBINED_TXN_COUNT_CONSUMED`          | Multiple offers used already with this card.                                                                                            | 422         | INTERNAL          |
| `ALLOWED_TOTAL_SUBVENTION_TXN_COUNT_CONSUMED`        | Subvention-based transactions exceeded.                                                                                                 | 422         | INTERNAL          |
| `ALLOWED_TOTAL_DISCOUNT_TXN_COUNT_CONSUMED`          | You have reached your discount quota.                                                                                                   | 422         | INTERNAL          |
| `INVALID_REFUND_AMOUNT`                              | The amount can't be refunded as entered.                                                                                                | 422         | INTERNAL          |
| `INVALID_SETTLE_AMOUNT`                              | Issue with transaction amount.                                                                                                          | 422         | INTERNAL          |
| `OTP_VALIDATION_FAILED`                              | Incorrect OTP entered.                                                                                                                  | 422         | INTERNAL          |
| `SEND_OTP_FAILED`                                    | Couldn't send OTP.                                                                                                                      | 422         | INTERNAL          |
| `AGGREGATED_REFUND_AMOUNT_EXCEEDED`                  | Allowed refund threshold crossed.                                                                                                       | 422         | INTERNAL          |
| `REFUND_DURATION_EXCEEDED`                           | Time limit for refund has passed.                                                                                                       | 422         | INTERNAL          |
| `PROGRAM_TYPE_NOT_PRESENT`                           | The required EMI/offer type is not configured for this merchant.                                                                        | 422         | INTERNAL          |
| `INVALID_VOID_AMOUNT`                                | Cancellation amount exceeds or doesn't match original value.                                                                            | 422         | INTERNAL          |
| `AGGREGATED_VOID_AMOUNT_EXCEEDED`                    | Combined refund value is more than original transaction.                                                                                | 422         | INTERNAL          |
| `AGGREGATED_PRODUCT_AMOUNT_EXCEEDS_LOAN_AMOUNT`      | Total cart value is higher than approved EMI loan.                                                                                      | 422         | INTERNAL          |
| `IMEI_UNBLOCK_FAILED`                                | The product couldn't be unlocked for new EMI.                                                                                           | 422         | INTERNAL          |
| `IMEI_UNBLOCK_EXCEPTION_OCCURRED`                    | A system issue occurred while unblocking this product.                                                                                  | 422         | INTERNAL          |
| `PRODUCT_ALREADY_UNBLOCKED`                          | The product is already released and available for EMI.                                                                                  | 422         | INTERNAL          |
| `PRODUCT_NOT_BLOCKED`                                | This product was never locked for EMI and can't be unblocked.                                                                           | 422         | INTERNAL          |
| `PRODUCT_ALREADY_BLOCKED`                            | This product is already sold or tied to a prior EMI.                                                                                    | 422         | INTERNAL          |
| `DIFFERENT_BRAND_PRESENT`                            | EMI transaction supports only one brand in cart.                                                                                        | 422         | INTERNAL          |
| `INVALID_TXN_AMOUNT`                                 | Order amount doesn't qualify for EMI.                                                                                                   | 422         | INTERNAL          |
| `INVALID_PRODUCT_AMOUNT`                             | One or more products have mismatched prices.                                                                                            | 422         | INTERNAL          |
| `INVALID_PRODUCT_BRAND_EMI`                          | This brand is not eligible for EMI offers.                                                                                              | 422         | INTERNAL          |
| `OFFER_NOT_CONFIGURED`                               | Merchant has no active offers set.                                                                                                      | 422         | INTERNAL          |
| `UNPROCESSABLE_ENTITY`                               | The transaction couldn't be processed.                                                                                                  | 422         | INTERNAL          |
| `BUYBACK_NOT_ENABLED`                                | Buyback is not available for this product.                                                                                              | 422         | INTERNAL          |
| `INVALID_PRODUCT_DETAILS`                            | Product info is missing or incorrect.                                                                                                   | 422         | INTERNAL          |
| `OFFER_EXPIRED_OR_INVALID`                           | The selected offer is no longer valid.                                                                                                  | 422         | INTERNAL          |
| `PROGRAM_TYPE_NOT_ENABLED`                           | EMI or Offer program type is inactive.                                                                                                  | 422         | INTERNAL          |
| `PAYMENT_OPTION_DETAILS`                             | Payment method info is invalid or incomplete.                                                                                           | 422         | INTERNAL          |
| `BIN_NOT_FOUND`                                      | Card network could not be recognized.                                                                                                   | 400         | INTERNAL          |
| `OFFER_DETAILS_NOT_VALID`                            | Offer details issuer parameters are invalid                                                                                             | 422         | INTERNAL          |
| `PAR_NOT_FOUND`                                      | Card token couldn't be matched to a card.                                                                                               | 400         | INTERNAL          |
| `INVALID_LOAN_AMOUNT`                                | EMI loan amount is not valid.                                                                                                           | 422         | INTERNAL          |
| `INVALID_ORDER_AMOUNT`                               | Total amount is not eligible for EMI.                                                                                                   | 422         | INTERNAL          |
| `INVALID_PAYMENT_METHOD`                             | This payment method is not supported for EMI.                                                                                           | 422         | INTERNAL          |
| `PHONE_NUMBER_IS_NOT_PRESENT`                        | A valid mobile number is required to check eligibility for EMI offers in Cardless schemes.                                              | 422         | INTERNAL          |
| `OTHER_ISSUER_NOT_ALLOWED_WITH_CARDLESS_ISSUER_TYPE` | You cannot combine cardless EMI with another card-based EMI in one transaction.                                                         | 422         | INTERNAL          |
| `INVALID_DOWN_PAYMENT_AMOUNT`                        | The entered down payment is too high and exceeds the allowed percentage of the total price.                                             | 422         | INTERNAL          |
| `PRODUCT_ALREADY_SKIPPED`                            | Product is already skipped.                                                                                                             | 422         | INTERNAL          |
| `PERFORM_IMEI_NOT_APPLICABLE`                        | Perform-imei not applicable as one of the requested product is not present in the system.                                               | 422         | INTERNAL          |
| `SKIP_IMEI_NOT_APPLICABLE`                           | Skip-imei not applicable as the requested product is not present in the system.                                                         | 422         | INTERNAL          |
| `VELOCITY_RULE_NOT_APPLICABLE_ON_PRODUCT`            | Any velocity rule is not applicable on this product.                                                                                    | 422         | INTERNAL          |
| `EXTERNAL_VELOCITY_RULE_MAPPING_NOT_PRESENT`         | Velocity Rule is not present for this Brand.                                                                                            | 422         | INTERNAL          |
| `SERIAL_NUMBER_MODEL_MISMATCH`                       | The serial number does not match the product model provided.                                                                            | 422         | INTERNAL          |
| `SERIAL_NUMBER_NOT_VALIDATED`                        | Serial number validation could not be completed for this product.                                                                       | 422         | INTERNAL          |
| `IMEI_BLOCKING_NOT_ALLOWED`                          | Imei Blocking can't be performed on REFUNDED/VOIDED state                                                                               | 422         | INTERNAL          |
| `IMEI_BLOCKING_NOT_ALLOWED_ALL_INSTANCES_PAID_BACK`  | Imei blocking can't be performed as all the instances for the product are REFUNDED/VOIDED                                               | 422         | INTERNAL          |
| `MINIMUM_ONE_FIELD_REQUIRED_UNDER_CONVENIENCE`       | Convenience fee is not present in the system.                                                                                           | 422         | INTERNAL          |
| `IMEI_SKIPPING_NOT_ALLOWED`                          | Imei Skipping can't be performed on REFUNDED/VOIDED state                                                                               | 422         | INTERNAL          |
| `IMEI_VALIDATION_NOT_APPLICABLE`                     | IMEI validation is not applicable for the requested product.                                                                            | 422         | INTERNAL          |
| `OFFER_BUDGET_EXCEEDED`                              | Offer budget exceeded for the requested offer. Please try again with different offer.                                                   | 422         | INTERNAL          |
| `UPI_VPA_FETCH_FAILURE`                              | There is an issue in VPA fetch service. Please try again later.                                                                         | 422         | INTERNAL          |
| `INVALID_SERIAL_NUMBER`                              | This Serial number is invalid                                                                                                           | 422         | INTERNAL          |
| `ORDER_ALREADY_UNBLOCKED`                            | The product is already unblocked.                                                                                                       | 422         | INTERNAL          |
| `ORDER_ALREADY_BLOCKED`                              | This product is already blocked.                                                                                                        | 422         | INTERNAL          |
| `ORDER_UNBLOCK_NOT_ALLOWED`                          | Unblocking this order is not permitted for the requested action.                                                                        | 422         | INTERNAL          |
| `MISSING_REQUIRED_PARAMETER`                         | The transaction request is incomplete.                                                                                                  | 400         | INTERNAL          |
| `IMEI_DOES_NOT_BELONG_TO_DEALER`                     | The entered IMEI does not belong to dealer.                                                                                             | 422         | INTERNAL          |
| `INVALID_DEALER_CODE`                                | Dealer code is invalid or inactive.                                                                                                     | 422         | INTERNAL          |
| `INVALID_STORE_ID`                                   | Store ID is invalid or inactive.                                                                                                        | 422         | INTERNAL          |
| `INVALID_REQUEST_TYPE`                               | The request type is not supported for this endpoint.                                                                                    | 422         | INTERNAL          |
| `INVALID_PAYMENT_TYPE`                               | The chosen payment type is not supported.                                                                                               | 422         | INTERNAL          |
| `INVALID_RESPONSE_FROM_BRAND`                        | We received an invalid response from the brand.                                                                                         | 422         | INTERNAL          |
| `INSUFFICIENT_STOCK`                                 | The requested product is out of stock.                                                                                                  | 422         | INTERNAL          |
| `SKU_NOT_FOUND`                                      | The requested SKU is not present in inventory.                                                                                          | 422         | INTERNAL          |
| `INVALID_SKU_CODE`                                   | The SKU code provided seems incorrect.                                                                                                  | 422         | INTERNAL          |
| `UPI_VPA_NOT_FOUND`                                  | VPA not found for provided registered mobile number                                                                                     | 422         | INTERNAL          |
| `VPA_MISMATCH`                                       | Provided VPA does not match with registered VPA                                                                                         | 422         | INTERNAL          |
| `MAPPING_ERROR`                                      | Error occurred while mapping the response.                                                                                              | 422         | INTERNAL          |
| `TOKEN_NOT_FOUND`                                    | The provided token could not be found.                                                                                                  | 422         | INTERNAL          |
| `BAD_REQUEST`                                        | Product Mismatch with the order                                                                                                         | 400         | INTERNAL          |
| `BIN_NOT_ELIGIBLE_FOR_OFFER`                         | This card is not eligible for the selected offer.                                                                                       | 422         | INTERNAL          |
| `PRODUCT_BLOCKING_FAILED`                            | Product is unavailable or already linked to another transaction.                                                                        | 422         | INTERNAL          |
| `PRODUCT_CODE_NOT_PRESENT`                           | Product is missing or not linked to EMI/offer.                                                                                          | 422         | INTERNAL          |
| `REFUND_NOT_ALLOWED_FOR_ISSUER`                      | Refund can't be done on this card.                                                                                                      | 422         | INTERNAL          |
| `INVALID_BLOCK_UNBLOCK`                              | The EMI block/unblock action requested is invalid.                                                                                      | 422         | INTERNAL          |
| `PRODUCT_INSTANCE_EXHAUSTED`                         | Product has been used maximum allowed times for EMI/offers.                                                                             | 422         | INTERNAL          |
| `MULTIPLE_CONVENIENCE_FEE_ON_ISSUER_TYPE_FOUND`      | The system found more than one fee setup for the selected card type, which is not allowed.                                              | 422         | INTERNAL          |
| `CARDLESS_OFFER_IS_NOT_PRESENT`                      | No offers available for the selected mobile number or payment provider.                                                                 | 422         | INTERNAL          |
| `PRODUCT_SERIAL_NUMBER_MISMATCH`                     | Product serial number mismatch/not-present for one of the requested product id.                                                         | 422         | INTERNAL          |
| `UNBLOCK_NOT_ALLOWED`                                | Unblocking this product isn't allowed in its current state.                                                                             | 422         | INTERNAL          |
| `BUMPED_UP_CASHBACK_APPLIED`                         | Cashback is already applied and can't be combined with this offer.                                                                      | 422         | INTERNAL          |
| `OFFER_VALIDATION_FAILED`                            | Invalid offer selected.                                                                                                                 | 422         | INTERNAL          |
| `PAYMENT_PENDING`                                    | The payment is pending and requires authorization before it can be processed                                                            | 422         | ACQUIRER          |
