Solution : https://service.sap.com/sap/support/notes/67864 (SAP Service marketplace login required)
Key words :
symptom incorrect results occur, additional key words, splitting works correctly, attached advance corrections, distribution function, demand management, program error, transaction md67, equal distribution, prerequisites
Related Notes :
129073 | Division for small qty in planned independent req. |
64146 | Info on splitting in demand management/period split |