Solution : https://service.sap.com/sap/support/notes/154888 (SAP Service marketplace login required)
Key words :
additional key words nested, multi-level configuration, change sales order, configurable bom items, call transaction va02, transaction va02, written incorrectly, table inob, obtab fields, longer found
Related Notes :
| 215746 | Configuration missing or cannot be called |
| 113616 | CX701 when you change/display a sales document |