Solution : https://service.sap.com/sap/support/notes/79653 (SAP Service marketplace login required)
Key words :
additional key words ko02, 'object class' field, order master, longer ready, unwanted change, coas-scope, program error, solution implement, attached note, k_help_request_for_scope
Related Notes :
| 323541 | Mater data object class changeable via entry help |