Can you tell me more about this? We use BAPI_ACC_DOCUMENT_POST to add GL entries. When the user wants to reverse them, this will not work in FB08 because it says not possible to reverse in Financial Accounting. I have since learned that since an IDoc was used to do the posting, I have to use another IDoc to reverse the posting. I wrote another abap program using
BAPI_ACC_DOCUMENT_REV_POST and specified IDOC as the type and I am still being told that it can't be reversed using Financial Accounting.