Solution : https://service.sap.com/sap/support/notes/574482 (SAP Service marketplace login required)
Key words :
attached source code corrections, determines smaller document groups, gr/ir account, considerably improved logic, reverse +/- sign exist, remaining line items, document group, individual document, line items, automatic clearing
Related Notes :
645356 | No summarization of FI documents from MM due to BSEG-XREF3 |
546410 | SAPF124: XREF3 and GR/IR account |
89058 | SAPF124: Better clearing for GR/IR accounts |