Solution : https://service.sap.com/sap/support/notes/107004 (SAP Service marketplace login required)
Key words : 
additional key words mf50, repetitive manufacturing table, -house production time, night shifts exists, create planned orders, planned orders, night shift, entering quantities, basic dates, work center
Related Notes : 
       
| 194019 | Basic dates, production start are incorrect | 
| 92841 | Rep.manufacturng table:incorrect order finish dates |