SAP Message 1N178 - Enter a valid payt method or medium or both for process &1; see long text

Diagnosis
You cannot assign SEPA-relevant payment methods or media to postingprocesses.

Procedure
Ensure that you use payment methods and media that are not relevant toSEPA.

Procedure for System Administration
You can revise the settings for payment methods and media in the IMGactivity Maintain Media / Payment Method
.