Solution : https://service.sap.com/sap/support/notes/66173 (SAP Service marketplace login required)
Key words : 
prerequisites program error solution source code corrections, additional key words co01, start scheduling beginning, production datesbasic dates, production dates, forward scheduling, backward scheduling, order dates, scheduled dates
Related Notes : 
       
| 111531 | MF50: Dates in the planned order one day too late | 
| 46237 | Consulting: determination of the order dates |