| AUTO_CLOSURE_BEFORE_VALID_TO | The autoClosureDate is earlier than validTo. |
| AUTO_CLOSURE_EXCEEDS_MAX_ALLOWED | The autoClosureDate exceeds the configured maximum date. |
| AUTO_CLOSURE_IN_THE_PAST | The autoClosureDate is earlier than the current time. |
| AVAILABLE_BALANCE_MIN_GREATER_THAN_MAX | The provided minimum available balance is greater than the maximum. |
| CARD_CREATION_LIMIT_REACHED | The maximum number of card creations has been reached. |
| CARD_MODEL_NOT_ALLOWED | The card model is not supported by the provided card type. |
| CARD_TYPE_UNAVAILABLE | The card type provided is not available. |
| CLOSURE_END_DATE_BEFORE_START_DATE | Closure end date is before the start date. |
| CREATION_END_DATE_BEFORE_START_DATE | Creation end date is before the start date. |
| CURRENCY_NOT_ALLOWED | The selected currency is not permitted for this operation. |
| CUSTOM_REFERENCE_NOT_UNIQUE | Custom reference provided is not unique. |
| DEFAULT_WALLET_CLOSURE_NOT_ALLOWED | Default wallet not allowed for closure. |
| DESTINATION_INSTRUMENT_BLOCKED | Destination instrument is currently blocked. |
| DESTINATION_INSTRUMENT_NOT_FOUND | Destination instrument was not found. |
| DESTINATION_INSTRUMENT_TYPE_NOT_ALLOWED | Destination instrument type is not allowed. |
| DESTINATION_SAME_AS_SOURCE | Source and destination instruments cannot be the same. |
| END_DATE_BEFORE_START_DATE | End date is earlier than start date. |
| FOREX_NOT_SUPPORTED_FOR_TRANSACTION | Forex is not supported for this transaction. |
| INSTRUMENT_NOT_EMPTY | The instrument is not empty. |
| INSTRUMENT_STATE_INVALID | Invalid instrument state. |
| LINK_NOT_FOUND_OR_EXPIRED | No active or valid link found for the card reference. |
| MAX_DATE_RANGE_31_DAYS | Date range exceeds the maximum of 31 days. |
| NAME_NOT_UNIQUE | The provided name is not unique. |
| NOT_ENOUGH_FUNDS | Insufficient funds for the operation. |
| RANGE_START_DATE_OLDER_THAN_1_YEAR | Range start date is older than 1 year. |
| RANGE_START_DATE_OLDER_THAN_1_YEAR | Start date is older than one year. |
| SOURCE_INSTRUMENT_BLOCKED | Source instrument is currently blocked. |
| SOURCE_INSTRUMENT_NOT_FOUND | Source instrument was not found. |
| SOURCE_INSTRUMENT_TYPE_NOT_ALLOWED | Source instrument type is not allowed. |
| SPEND_LIMIT_NOT_ALLOWED | The specified spend limit is not supported. |
| SPEND_LIMITS_NOT_AVAILABLE | Spend limits are not configured. |
| TOO_MANY_TRANSACTIONS | Transaction count has exceeded the allowed limit. |
| TRANSFER_AMOUNT_TOO_LARGE | The transfer amount exceeds the allowed limit. |
| TRANSFER_AMOUNT_TOO_SMALL | The transfer amount is below the allowed minimum. |
| TRANSFER_CURRENCY_DIFFERENT_FROM_SOURCE_AND_DESTINATION | Transfer currency differs from source or destination currency. |
| TRANSFER_CURRENCY_MISMATCH | Transfer attempted across mismatched wallet currencies. |
| UNKNOWN_ERROR | An unknown error occurred. Contact support. |
| VALID_FROM_AFTER_OR_EQUAL_TO_VALID_TO | The validFrom must be earlier than validTo. |
| VALID_FROM_IN_THE_PAST | The validFrom is earlier than the current time. |
| VALID_TO_EXCEEDS_AUTO_CLOSURE_OR_EXPIRY_DATE | The validTo exceeds the expiry date or autoClosureDate. |
| VALIDITY_PERIOD_INCOMPLETE | Only one of validFrom or validTo was provided; both must be provided or both omitted. |