| Field | Description |
| 0 | No error |
| 1 | Authorization error |
| 2 | Invalid JSON format |
| 3 | Required parameters not passed |
| 4 | The amount on the document does not correspond to the amount on the positions |
| 5 | Internal error |
| 6 | Shift not open |
| 7 | Payment type is not supported |
| 8 | The document is not fully paid (with automatic fiscalization) |
| 9 | Document not found |
| 11 | Change can only be issued in cash |
| 12 | Unacceptable tax percentage |
| 13 | Loan repayment can only be accepted by one type of payment at a time |
| 15 | One loan repayment can be carried out with only one type of payment |