| -2 | Bad input values. |
| -8 | This version of the integration interface is no longer supported. |
| -10 | Error signing data message. |
| -12 | Incorrect certificate format. |
| -13 | The certificate used is not valid. |
| -100 | Invalid PKP value. |
| -101 | Tax identification number in the data message does not match the tax identification number in the certificate. |
| -102 | The ORP code in the data message does not match the ORP code in the certificate. |
| -103 | The date and time of issue of the document is later than the date and time of processing. |
| -104 | The date and time the document was created is later than the processing date and time. |
| -105 | The date and time the document was created is earlier than the processing date and time. |
| -106 | The date and time the document was issued is earlier than the date and time the system was started. |
| -107 | The date and time the document was created is earlier than the date and time system was started. |
| -108 | The date and time the location data was created is later than the processing date and time. |
| -109 | The date and time the location data was created is earlier than the processing date and time. |
| -110 | The date and time the location data was created is earlier than the system start date and time. |
| -111 | Invalid OKP value. |
| -112 | The invoice number must be filled in for the document type: Invoice payment. |
| -113 | The VAT breakdown may not be filled in for the document type: Invoice payment, Deposit, Withdrawal. |
| -114 | Document type: Invoice payment, Deposit, Withdrawal must not contain items. |
| -115 | Invoice number must not be filled in for the document type: Cash receipt, Invalid receipt, Deposit, Withdrawal. |
| -116 | Document type: Cash receipt, Invalid receipt must contain items. |
| -117 | For item type: Returned, Correction the Reference number of the document to which the return, the correction relates must be filled in. |
| -118 | For item type: Positive, Returned packaging, Discount, Deducted deposit, voucher exchange must not be filled in Document reference number. |
| -119 | The VAT breakdown must be filled in for the type of document: Cash receipt, Invalid receipt. |
| -120 | The amount of the base rate tax and the Base of basic tax rate must be filled both or none. |
| -121 | The amount of the reduced rate and the Base of the reduced tax rate must be filled in both or none. |
| -122 | Buyer´s ID and Buyer´s ID Type must be filled in both or none. |
| -123 | Buyer´s ID and Buyer´s ID Type must not be filled in for document type: Invalid document, Deposit, Withdrawal. |
| -124 | The receipt number is mandatory in case of registration of the receipt. |
| -125 | The receipt number can only be filled in if the receipt is registered. |
| -126 | The receipt cannot be registered for the document type: Invalid document, Deposit, Withdrawal. |
| -127 | Item Type: A positive one must not have a negative price. |
| -128 | Item Type: Returned packaging, Returned, Discount, Deducted deposit, voucher exchange must not have a positive price. |
| -129 | Seller´s ID and Seller´s ID Type must be filled in both or none. |
| -130 | For tax assignment: 20, 10 Verbal information must not be filled in. |
| -131 | For item type: Positive, Returned packaging, Returned, Discount, Deducted advance must not be filled in. Number of single-purpose vouchers. |
| -132 | Incorrect time zone. |
| -499 | Refusal for security reasons, it is necessary to contact support |
| -500 | The final amount does not fit. (Po <ESC>k ). |
| -501 | Incorrect value in quantity. |
| -502 | Incorrect value in unit price. |
| -503 | Incorrect price sign in line. |
| -504 | Unauthorized document in TEST mode |
| -505 | Incorrect cancellation document type. (A - return, B - discount, C - deducted advance, D - exchange voucher) |
| -507 | Wsdl schema validation error |
| -508 | Duplicate item |
| -509 | Customer listed more than once |
| -510 | printer error |
| -512 | Voucher exchange must be filled in with a Single-purpose voucher number. |
| -512 | For a document containing an exchange voucher, the amount of the document must be 0 EUR. |
| -550 | ESCK is missing in the receipt Incomplete line |
| -551 | Incomplete line |
| -552 | Exceeded number of allowed free print characters |
| -553 | Unauthorized control characters |
| -554 | CHDU error |
| -555 | Error in system time |
| -556 | Interrupted by the user after the notification of a leap in the date |
| -557 | Unauthorized SwId. |
| -999 | Unknown error |