Diagnosis
Either no bank details have been entered in the customer/vendor masterrecord or the bank details cannot be used for the payment methodentered.
For example, a payment method can require that a collectionauthorization exists or that the customer's/vendor's bank be in itshome country.

System Response
The payment method entered is not accepted.

Procedure
If the customer/vendor master record is maintained incompletely,complete the bank details.
CASE &V2&.
WHEN 'K'.
Proceed
WHEN 'D'.
Proceed
ENDCASE.
Otherwise, you must use a payment method that does not require any bankdetails (for example, check) or that can use the bank details enteredat the customer/vendor.