| 109 | The amount is higher than the limit |
| 128 | Invalid phone number |
| 139 | Ignored number |
| 118 | Error while calculating commission |
| 121 | Card deactivated. You wanted to register the card, but the transaction with PSP was in error, so the cardId was deactivated. |
| 138 | Unavailable functionality (depends on your contract) |
| 143 | Transaction not found. If searching for a transaction: please fill in one of the search fields. If validating a transaction: transaction does not exist or status does not allow validation |
| 151 | Amount not allowed (higher than refundable amount, or lower than 0.50€ for a card payment, not allowed according to your contract, or too high. Please contact support) |
| 155 | Wrong identity card number |
| 162 | Client not found |
| 175 | Mobile number and email do not match any account in the system |
| 178 | Wrong email format |
| 186 | You cannot send money to yourself |
| 188 | Incorrect amount format. |
| 202 | Bad secret answer format |
| 203 | Unknown secret question |
| 204 | Email already used |
| 210 | User not registered |
| 211 | You cannot send money to yourself |
| 212 | Bad card data format |
| 213 | Unknown partner |
| 215 | No approved IBAN found for this wallet |
| 219 | The card was not found. You may have entered the cardId incorrectly, or the card does not exist |
| 220 | RIB has already been deleted |
| 221 | Bad IBAN data format |
| 234 | Bad input data |
| 235 | File too big or wrong format |
| 236 | IP in the input parameter is blacklisted |
| 237 | Email is blacklisted |
| 238 | IBAN is blacklisted |
| 239 | Bad format URL |
| 241 | A document of the same type is already pending review by LW's KYC services |
| 243 | The type of document does not exist |
| 244 | SDD mandate not found |
| 245 | SDD mandate invalid |
| 246 | SDD mandate is currently already in use for a direct debit |
| 247 | Wrong date format |
| 248 | Wrong IP format |
| 249 | Mobile number mandatory for electronic signature |
| 250 | Type mandatory |
| 251 | Address Mandatory |
| 252 | Wrong first or last name format |
| 253 | Bad format phone number |
| 254 | Invalid date |
| 258 | Already document associated with this mandate |
| 242 | Wrong BIC/SWIFT code format |
| 261 | Payment not found or already processed |
| 262 | The payment account is not valid |
| 263 | Payment not found or already processed |
| 264 | Invalid Wallet ID |
| 265 | Bad format for the card type |
| 266 | Bad format for card date |
| 267 | Bad format for card crypto |
| 281 | Wrong status |
| 284 | Contract already signed |
| 285 | Transaction status invalid |
| 286 | Invalid Document ID |
| 287 | Invalid type of document (expected: jpg, jpeg, png, tif, tiff, pdf) |
| 289 | Unsupported document type |
| 290 | IBAN not found |
| 291 | Un-matching names |
| 292 | Incorrect IBAN status |
| 293 | Document type error |
| 294 | Invalid format for the type of document (has to be an integer) |
| 295 | Upload blocked for this type of document |
| 298 | Invalid partner type |
| 299 | Invalid annual estimation |
| 300 | The sender and receiver wallets are identical |
| 301 | Date prior to the wallet creation date |
| 306 | Empty IBAN DOM |
| 307 | IBAN ID is not associated with this wallet |
| 308 | No available IBAN |
| 309 | Wallet IBAN limit reached |
| 316 | Card expired |
| 341 | The identical document already found in the database for this account |
| 342 | Mandatory bank branch code required |
| 343 | Mandatory bank name |
| 344 | Mandatory bank branch address required |
| 345 | Mandatory IBAN required |
| 346 | Invalid country code |
| 355 | Missing cheque information or RLMC |
| 356 | Incorrect cheque information |
| 361 | This card was not registered. You wanted to register the card. The client decided to click no (not to save card) on the PSP Webpage at the end of a transaction. |
| 362 | Invalid bank ID |
| 363 | No bank is available in this country |
| 364 | The country code is missing |
| 368 | recurringAvgAmount amount should be greater than the transaction amount. |
| 373 | BNPL Serice - ERR_INPUT_VALIDATION (Explicit error message given, details in message) |
| 374 | BNPL Service - ERR_FUNCTIONAL (Explicit error message given, details in message) |