Solution : https://service.sap.com/sap/support/notes/435150 (SAP Service marketplace login required)
Key words :
terms call customer-function, source code stored, makes source code, spam/saint version 0029, respective user exit, inactive function modules, active function modules, customer enhancement reason, activate user exits, -activate user exits
Related Notes :
| 436323 | MRNx user exits inactive after import of support packages |
| 25276 | SAP enhancement concept CMOD: Activation |
| 12831 | Function module inactive after upgrade; texts gone |