Solution : https://service.sap.com/sap/support/notes/182435 (SAP Service marketplace login required)
Key words :
additional key words cu51, setting planned/prod, order bom setting, solution implement notes 146309, arrow keys, profile settings, program error, advance corrections, assignment screen, assignment
Related Notes :
150112 | 3.1I+: Lower-level configuration not displayed |
146309 | 3.1+:Values can't be assigned to subord. instances |