SAP Message >0548 - Internal error: Invalid tax amounts in item &1

Diagnosis
A tax amount was entered in business partner item &V1&, although this isnot an item that is identified as a down payment. Tax amounts inbusiness partner items are only allowed in down payment items and downpayment requests.
It concerns the fields SBETW and SBETH in table FKKOP
. The identification of down payment items takes place in field X

System Response
Error message. Posting is terminated.

Procedure
INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX

Procedure for System Administration
INCLUDE FICA_NA_OSS OBJECT DOKU ID TX