Solution : https://service.sap.com/sap/support/notes/1265964 (SAP Service marketplace login required)
Key words : 
configuration-> risk analysis-> default values-> default rule set, <port-number>/webdynpro/dispatcher/sap, erm configuration-> system landscape-> landscape, configuration-> miscellaneous-> web service info, rar-> configuration-> upload objects, risk analysis performed successfully, rar configuration guide, case erm & rar, /grc~ccappcomp/ccdebuggerin, enterprise role management
Related Notes : 
       
| 1603475 | Risk Analysis Failed in Role Generation | 
| 1542113 | The Button 'Apply to existing Roles' is greyed out in ERM | 
| 1539410 | Role moves to next stage after performing risk analysis | 
| 1520647 | Risk Analysis result discrepancies |