Solution : https://service.sap.com/sap/support/notes/1227226 (SAP Service marketplace login required)
Key words :
configuration option 'mitigation control maintenance', mitigated users list directly, 'mitigation control maintenance', mitigated users option, prerequisites configuration settings, configuration tab -> workflow, mitigation related actions, searching press change, press add button, users/roles/profiles
Related Notes :
1593056 | Best Practices for Remediation of Segregation of Duties risk |
1487843 | Inactive mitigating control |