Solution : https://service.sap.com/sap/support/notes/319489 (SAP Service marketplace login required)
Key words : 
system issues error message cu715, additional key words cuco, program error, configuration profile, transaction cu42, usage exists, solution implement, attached correction, material &, prerequisites
Related Notes : 
       
| 304677 | Check performance of deletion function ECM | 
| 168610 | Where-used list configurable objects with reports | 
| 166530 | @3Z@ Config. objects delete classification data |