| 1 | Missing or invalid request parameters |
| 2 | Invalid signature parameter |
| 30 | Duplicate order ID. Please retry the transaction |
| 31 | Transaction has been voided |
| 32 | Invalid amount |
| 33 | Transaction failed |
| 34 | Transaction is being processed. Please check again later |
| 36 | Transaction does not exist |
| 37 | Unknown transaction |
| 38 | Transaction cancelled by user |
| 63 | Card is not activated or not registered for online payment |
| 64 | Card type is not supported |
| 65 | Invalid card/account information |
| 66 | Your card is restricted. Please contact the bank for more details |
| 67 | Payment timeout |
| 69 | Card has expired |
| 75 | Insufficient balance |
| 76 | Invalid card number |
| 78 | Bank system error. Please retry the transaction |
| 79 | Unable to process your card. Please contact the provider for support |
| 82 | Transaction declined. Please contact support for more details |
| 84 | Transaction amount exceeds the allowed limit. Please contact support |
| 93 | System is temporarily unable to process the transaction. Please try again later |
| 94 | System is under maintenance. Please try again later |
| 99 | Unknown error. Please check the transaction again later |
| 207 | Suspicious transaction (fraud-related or abnormal transaction) |
| 401 | Authentication error |
| 500 | System error |
| 3101 | Low battery. Unable to process the transaction |
| 3102 | Payment application error |
| 3103 | Invalid PIN |
| 3104 | Invalid merchant or provider |
| 3105 | PIN entry attempts exceeded |
| 3106 | Transaction is not allowed at this time. Please try again later |
| 3107 | Invalid card reader |
| 3108 | Issuing bank (BIN) cannot be identified |
| 3109 | Cardholder profile is closed |
| 3110 | Transaction has been reversed |
| 3111 | Login account is blocked. Please contact the agent for support |
| 3112 | You are not authorized to void transactions |
| 3113 | Your account has been temporarily locked. Please contact the system administrator |
| 3114 | Your account has been deactivated. Please contact the system administrator |
| 3115 | TID is temporarily locked or not registered for the App user |
| 3116 | Invalid login |
| 3117 | User PIN must be six (6) digits |
| 3118 | Invalid user ID, user PIN, or activation code |
| 3119 | Please download the latest update to continue |
| 3120 | User has reset the PIN. Please log out and activate again |
| 3121 | You are logged in on another device. Confirm if you want to switch devices |
| 3122 | Session expired. This user ID has been logged in on another device |
| 3123 | Optional: download the latest updates to continue |
| 3124 | Monthly transaction limit exceeded. Please contact the hotline for support |
| 3125 | Per-transaction limit exceeded. Please contact the hotline for support |
| 3126 | Daily transaction limit exceeded. Please contact the helpdesk |
| 3127 | PIN not provided |
| 3128 | Void transaction rejected |
| 3128 | Void rejected. This transaction type cannot be voided |
| 3129 | Invalid PIN verification response |
| 3130 | You are not authorized to perform any operation |
| 3131 | Report/PDF/CSV generation error |
| 3132 | Transaction void failed. Please contact the hotline for support |
| 3140 | Please perform settlement before making a payment |
| 3141 | Card reading error. Please try again |
| 3142 | No transaction found. Please check again |
| 3143 | Out of paper. Please check the printer |