DE-R-024-2
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-024-2
When both seller and buyer are located in Germany and payment is by card (BT-81: 48, 54 or 55), the credit transfer (BG-17) and direct debit (BG-19) groups must not be provided.
How to fix it
Remove cac:PayeeFinancialAccount and cac:PaymentMandate from cac:PaymentMeans.