Solution : https://service.sap.com/sap/support/notes/631940 (SAP Service marketplace login required)
Key words :
-mentioned function modules transfer import parameter no_default_values empty, import parameter no_default_values = 'x', function modules, object/class assignment, system assngns characteristics, standard profile sapprofile, user profile plans, user profile, standard setting, current user
Related Notes :
| 816284 | Default values for characteristics with fixed values |
| 597758 | BAPI_OBJCL_CHANGE: Termination RAISE_EXCEPTION |