DE-R-024-1
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-024-1
When both seller and buyer are located in Germany and payment is by card (BT-81: 48, 54 or 55), the payment card information group (BG-18) must be provided.
How to fix it
In cac:PaymentMeans add cac:CardAccount.