The following are references about the errors codes returned by the APIs under the Checkout section.
| Error Code | Error Name | Error Message | 
|---|---|---|
9300001 | INTERNAL_SERVER_ERROR | Internal server error occurred | 
9300002 | AUTHORIZATION_ERROR | An exception occurred during the authorization process | 
9300003 | UNAUTHORIZED | You are unauthorized to perform this action | 
9300004 | VALIDATION_ERROR | Validation error | 
9300005 | SERVICE_UNAVAILABLE | Service temporarily unavailable | 
9300006 | INVALID_CONFIGURATION | Invalid configuration | 
9300007 | EXTERNAL_SERVER_ERROR | External server error | 
9300011 | ACCESS_TOKEN_REQUIRED | An access-token is required to confirm the status code | 
9300012 | INVALID_JWT_TOKEN | Not valid JWT | 
9300013 | JWT_TOKEN_EXPIRED | JWT token expired | 
9300014 | INVALID_RESET_PASSWORD_TOKEN | Token to reset password is invalid | 
9300015 | INVALID_NAMESPACE | Invalid namespace | 
9300100 | SESSION_NOT_FOUND | Session not found | 
9300101 | REFERENCE_ID_EXISTED | Session's reference ID already exist | 
9300102 | SESSION_ALREADY_COMPLETED | Session has completed | 
9300103 | SESSION_PAYMENT_ALREADY_COMPLETED | Session's payment has already completed | 
9300104 | SESSION_ALREADY_SUCCEEDED | Session has succeeded | 
9300105 | SESSION_ALREADY_EXPIRED | Session has expired | 
9300106 | SESSION_ALREADY_CANCELLED | Session has been cancelled | 
9300107 | SESSION_ALREADY_FAILED | Session has failed | 
9300108 | PAYMENT_INTENT_EXISTED | Payment intent ID already exist | 
9300109 | INVALID_SESSION | Session is invalid | 
9300110 | MISMATCH_PAYMENT_AMOUNT | The payment amount is different from the session amount | 
9300111 | INVALID_TRANSACTION_STATUS | Could not map transaction status to payment intent status | 
9300112 | SESSION_COULD_NOT_CAPTURE | Unable to capture session | 
9300113 | INVALID_CAPTURE_AMOUNT | The capture amount is greater than the session amount | 
9300114 | MISSING_PIN_TOKEN | PIN token is required for this method | 
9300115 | SESSION_COULD_NOT_CANCEL | Unable to cancel session | 
9300300 | INVALID_CUSTOMER | Invalid customer | 
9300400 | API_KEY_NOT_FOUND | API key not found | 
9300401 | INVALID_ACCESS_TOKEN | Invalid access token | 
9300402 | INVALID_PAYMENT_PROCESSOR | Payment processor service is not supported | 
