Solution : https://service.sap.com/sap/support/notes/337201 (SAP Service marketplace login required)
Key words :
minimum time interval maximum time interval, additional key words cif-ppm, minimum time interval, create manually correct relationships, delete phases manually, avoid sf relationships, order manually, avoid cycles, relationship manually, dropped phases
Related Notes :
937395 | R/3-APO: Activity net is not connected |
352953 | |
317077 | CIF-PPM: Relationships in dropped phases |