Diagnosis
You are posting an irrecoverable debt or an installment payment withclearing for several open items. In this case it is not possibleto have different sales tax codes in the selected open items.
When a receivable is an advance payment, and was posted as aspecial G/L transactionbased on the planned principle
, then the tax code is not set in open items when the postingwas made. Therefore, these postings cannot be cleared with other openitems.

System Response
The posting cannot be carried out.

Procedure
Only select open items for clearing that have the same sales tax code.
INCLUDE RECA_CUSTOMIZED_MESSAGE_INFO OBJECT DOKU ID TX