GR-R-001-4: When Supplier is Greek, the Invoice Id third segment must be a positive integer
fatalUBL
What this error means and how to fix it
A national rule of Peppol BIS Billing 3.0 for the country in the rule prefix (for example NO, DK, IT, SE, GR): it usually applies when the seller is in that country. This is an error: the invoice is rejected until it is fixed.
This error needs information only you have, so it is not repaired automatically. The free check shows every finding in the file with its location; if other errors in the same file are in the automatic set (totals, VAT breakdown, rounding, element order), the result page offers the corrected file for 9 €.
Rule text
[GR-R-001-4]-When Supplier is Greek, the Invoice Id third segment must be a positive integer
Where the rule is checked (XPath context and test)