| -1 | Unknown error |
| 2 | Processing failed due to technical fault |
| 3 | Currently web service not available for provided input payment type |
| 4 | System error occurred |
| 5 | Incorrect access token format |
| 6 | Access token expired |
| 7 | Invalid access token |
| 8 | Missing access token |
| 9 | Access token belongs to another user |
| 10 | Count limit is greater than expected |
| 11 | Method not allowed |
| 12 | Service not found |
| 13 | Count should be greater than 0 |
| 14 | Missing reCaptchaToken |
| 15 | Invalid reCaptchaToken |
| 23 | You do not have permission to perform this action. |
| 26 | License Limit Reached. Please contact your Administrator. |