Solution : https://service.sap.com/sap/support/notes/504799 (SAP Service marketplace login required)
Key words :
newly exploded planned orders, planned orders created, unchanged planned orders, publication occurs independently, newly added components, events automatically generated, source code corrections, active integration model, externally planned materials, mrp type x0
Related Notes :
772222 | MODIFICATION: Lock return of planned orders |
575922 | R/3->APO: Sending re-exploded planned orders in MRP |
501224 | Additional information about the 'X0' MRP type |