Solution : https://service.sap.com/sap/support/notes/1145879 (SAP Service marketplace login required)
Key words :
imported support package 12, incomprehensible message informing, message class dpr_shared, phase overlapping caused, higher-level phase, system automatically creates, message 'finish date, cross-phase relationship, preceding phase, outline date
Related Notes :
| 1154299 | Warning message when phases overlap |
| 1085640 | Composite SAP Note: Scheduling cProjects |
| 929969 | cProjects 4.0 - Performance notes |