Diagnosis
Debit memo returns (standard) are posted with a negative +/- sign in thesystem.
Credit memo returns are posted with a positive +/- sign in the system.
Depending on the type of posting (credit memo or debit memo) on whichthe payment document is based, the return is posted accordingly. In thiscase, the system automatically adjusted the +/- sign. If this is notrequired, check whether you have entered the correct payment documentfor this return.