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Integration Guide
Comarch S.A.
Comarch ERP
Używasz Comarch ERP? Waliduj faktury przed wysyłką do KSeF. Sprawdź NIP, numerację i zgodność XML.
Visit Comarch ERPSupported E-Invoice Formats
| Format | Support Level |
|---|---|
| KSeF FA(1) | Native Support |
| KSeF FA(2) | Native Support |
| Peppol BIS 3.0 | Native Support |
Common Validation Errors
These errors are frequently encountered when validating e-invoices from Comarch ERP. Click on any error to see the fix.
KSEF-001Very CommonNIP validation failed
Polish NIP must be 10 digits with valid checksum. Leading zeros are significant.
KSEF-002CommonInvoice date too old for KSeF
Invoice issue date cannot be more than 30 days before KSeF submission.
KSEF-003CommonInvoice number sequence gap
Invoice numbers must follow continuous sequence per year. Gaps or duplicates rejected.
KSEF-010CommonKSeF XML schema validation failed
FA schema is strict. Even minor deviations cause rejection.
About Comarch ERP
Comarch ERP to jeden z wiodących polskich systemów ERP z pełną integracją KSeF. Bezpośrednie wysyłanie faktur przez API.
Validate Your Invoice
Export your invoice from Comarch ERP and validate it against Peppol and EN16931 rules.
Validate FreeHow to Validate
- 1Export your invoice as UBL or XML from Comarch ERP
- 2Upload the file to our validator
- 3Review errors and warnings with suggested fixes
- 4Fix issues in Comarch ERP and re-export