PEPPOL-EN16931-R008
An official OpenPeppol BIS Billing 3.0 rule – checked for invoices sent over the Peppol network on top of the EN 16931 rules.
What this error means
PEPPOL-EN16931-R008
The document contains empty XML elements. Peppol forbids them — an element must have a value or be removed.
How to fix it
Delete all empty tags (e.g. <cbc:Note/> or <cbc:ID></cbc:ID>) instead of leaving them blank.