Solution : https://service.sap.com/sap/support/notes/1274173 (SAP Service marketplace login required)
Key words :
choose business transactions -> document splitting -> extended document splitting -> define document splitting rule, individual business transaction variant based, changed document splitting rule, business transaction variant created, business transaction variant 0002in, document splitting rule, base item categories displayed, relevant base item categories, document splitting information, active document splitting
Related Notes :
1264387 | Splitting retentions from MM according to cause |