Solution : https://service.sap.com/sap/support/notes/413305 (SAP Service marketplace login required)
Key words :
tcx00-prod_dates reason, message class cy, order & operation/phase &, operation date, planning prod_dates, process order, planned order, start date, program error, scheduling types
Related Notes :
| 642699 | POI: Capacity requirements for logically deleted activities |