Solution : https://service.sap.com/sap/support/notes/47750 (SAP Service marketplace login required)
Key words : 
additional key words sales information system, prerequisites solution change program fv45pfap, user-defined information structures, sales information system, standard information structures, scheduling agreement item, customer requested quantity, schedule line level, jit delivery schedules, jit delivery schedule
Related Notes : 
       
| 204130 | SIS update: Collective note | 
| 129470 | Incoming orders for component suppliers: Alternative update | 
| 125763 | SIS: Collective note - component supplier | 
| 109189 | SIS comp. supplier:Incoming order may be too high | 
| 81335 | Incoming order for sched. agreements not correct | 
| 60113 | Component suppl. processing: Incoming order stats. |