Solution : https://service.sap.com/sap/support/notes/336283 (SAP Service marketplace login required)
Key words : 
transaction xxxthe support packages sapkb46b08, additional key words scc8, support package sapkb46b17, client export, users lost, prerequisites due, program error, unnecessarily called, attached corrections, resetting authorizations
Related Notes : 
       
| 335444 | 4.6B with 4.6C/D kernel: Loss of authorizations | 
| 191660 | |
| 161495 | CC-RELEASE: Error in client copy in 4.6A and 4.6B |