Solution : https://service.sap.com/sap/support/notes/320111 (SAP Service marketplace login required)
Key words : 
additional key words incoming orders, program error caused, scheduling agreements, component suppliers, errors occur, statistics update, information structure, solution implement, implement note 186952, note 214297
Related Notes : 
       
| 214297 | Error message V1506 w saving scheduling agreement | 
| 186952 | Planning deliv.schedule not generated automatically | 
| 125763 | SIS: Collective note - component supplier |