The financial accounting export of invoices includes a specific field for document numbers. This field is limited to 50 characters. However, DATEV only accepts document numbers up to 12 characters in length. To avoid problems when importing data into DATEV and to ensure the uniqueness of document numbers, you must ensure that the length of your document numbers does not exceed 12 characters.
There are two factors to consider:
The format of your document numbers is configured via the Control Panel. 📄 Konfigurationsparameter von eTASK.Kostenerfassung IC2237
The company number is part of the document number. It can be between 1 and 5 digits 📄 Gesellschaften IC9698
Adjust these two factors so that the document number does not exceed 12 characters.