Solution : https://service.sap.com/sap/support/notes/1145820 (SAP Service marketplace login required)
Key words :
sufficiently large transition time, hierarchically lower-level objects, early date/late date, actual dates restrictions relationships, maximum start date calculated, lower level elements, lower-level tasks, lower-level hierarchy, lower-level objects, actual dates exist
Related Notes :
| 1085640 | Composite SAP Note: Scheduling cProjects |