Solution : https://service.sap.com/sap/support/notes/317296 (SAP Service marketplace login required)
Key words :
prerequisites requested schedule lines occur, additional key words reservations, requested schedule lines, identical date exist, system table entries, schedule lines, identical quantity, apo system, data inconsistencies, availability check
Related Notes :
| 318357 | CRM 2.0B required component release for change order |
| 195884 | Collective note: Link between CRM and APO |