Solution : https://service.sap.com/sap/support/notes/1622281 (SAP Service marketplace login required)
Key words : 
handle multi-path scenario, symptom configure workflow, remove role reason, maintain provisioning settings, detour path, auto-provisioning, provisioning occurs, uar requests, removing roles, uar request
Related Notes : 
       
| 1607067 | Master Note for SAP Access Control 10.0 - Support Pack 6 |