Message SAP /EACC/MSG_BTA052 - The documents for sender key &1, sender ID &2 are reversals of a reversal

Diagnosis You are trying to create a reversal document for a reversed reversal.This is not possible. System Response The system has not created a reversal document for the document inquestion. It has, however, created reversal documents for all othererror-free documents in this reversal run. Procedure Reverse the original document.