Diagnosis
You deactivated message PZ 850 when you set the system. This means thatit is not necessary for tables T042I and T042Y to be consistent.
The payment program for payment requests accepts, for example, thatdifferent bank clearing accounts can be defined for a house bank,payment method, currency, house bank account for customer/vendorpayment (table T042I) and G/L account payments (T042Y).