Solution : https://service.sap.com/sap/support/notes/1296144 (SAP Service marketplace login required)
Key words :
symptom erm role usage synchronization job, /virsa/get_roles_for_users rfc function module, duplicate user/role entries, users role assignment, terms access control, empty user_list parameter, apply snote correction, /virsa/get_roles_for_users, role expert, user information
Related Notes :
1512749 | Role Usage Synch job errors with Missing IN or OUT parameter |