Solution : https://service.sap.com/sap/support/notes/384805 (SAP Service marketplace login required)
Key words : 
additional key words mf50, abap runtime error message_type_x, capacity requirements planning, error message, program error, planning table, planned order, repetitive manufacturing, system generates, short dump
Related Notes : 
       
| 547686 | Dump C7135 during scheduling/dispatching in collective order | 
| 316022 | IW70: Scheduling with the incorrect capacity version |