Solution : https://service.sap.com/sap/support/notes/1126631 (SAP Service marketplace login required)
Key words :
phase1 duration 5 task11 5 task12 3phase2 2 task21 2a relationship, undo start constraintthe relationship remains, task21 puts phase2 directly, prerequisites note solution implement, message message short text245 &1 &2, cross-phase relationship, message class dpr_shared, start constraint, start date, terms phase
Related Notes :
| 1126174 | Phases cannot overlap |
| 1085640 | Composite SAP Note: Scheduling cProjects |