PEPPOL-COMMON-R040: GLN must have a valid format according to GS1 rules.
fatalUBL
What this error means and how to fix it
A Peppol common rule: an identifier (for example a GLN, or a national company or VAT number) fails its format or check-digit test. 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
[PEPPOL-COMMON-R040]-GLN must have a valid format according to GS1 rules.
Where the rule is checked (XPath context and test)