SAP Message 5M302 - Max. exemption cannot be entered in primary, secondary or gross card

Diagnosis
You have tried to enter a maximum exemption amount, even though this isnot allowed for a primary card (hovedkort), secondary card (bikort), orgross card (bruttokort).

System Response
The system responds with an error because the data you have entered isnot consistent.

Procedure
Either change the type of card, or delete the maximum exemption.