SAP Message R$018 - Company code &1 fm card &2 not equal to company code &3 from main card &4

Diagnosis
All cards from a file must be assigned to the same company code, themain card one.
Reason: The amounts of all data records are added up and posted as acollective invoice with the parameters and account assignments from themain card.

Procedure
Divide up the data records, so that the company code of payment cardsis identical to the company code of the main card in a card file.