DE-R-023-2
A Peppol Germany national rule (DE-R-*) – applies when the invoice is sent over the Peppol network to a receiver in Germany.
What this error means
DE-R-023-2
When both seller and buyer are located in Germany and the payment means is credit transfer (BT-81: 30 or 58), the card (BG-18) and direct debit (BG-19) groups must not be provided.
How to fix it
Remove cac:CardAccount and cac:PaymentMandate from cac:PaymentMeans.