Solution : https://service.sap.com/sap/support/notes/131635 (SAP Service marketplace login required)
Key words :
maintaining sales order bom, system writes values, additional key words, attached advance corrections, transaction cu51, root instance, user interface, program termination, exception condition, program error
Related Notes :
| 216234 | CU5X: Characteristics of root instance are deleted |
| 132778 | CU51:Not configurable material dump "SET_CLASSTYPE" |
| 131631 | CU51 Char. value assignmnt - incorrect author info. |
| 131534 | CU51 Characteristic values at root instance |