When trying to view the System -> Servers and Detectors -> Audit Logs page in the DLP Enforce Console you get an error that says, "Unexpected server error has occurred. Please refer to log for details." and no log events will show.
DLP Enforce 16.0.1(RU1) and above
The issue is caused when the View incidents privilege is not enabled for the DLP role.
DLP Enforce localhost logs contain the following;
04 Jan 2024 21:37:29,930- Thread: 172 WARNING [com.symantec.dlp.incidentwebapi.IncidentApiRestErrorHandler] User does not have any of these privilege(s), having at least one is required: view_incidents
Edit the DLP role and add the View privilege and save. You will need to logout and log back into the Enforce Console to see the changes take effect.
Update: Starting from DLP 16.0.2 (RU2), the requirement for Incident view access to view audit logs in Enforce has been removed.
https://techdocs.broadcom.com/us/en/symantec-security-software/information-security/data-loss-prevention/16-0-1/Manage-the-Enforce-Server/managing-system-events-and-messages/using-audit-logs-for-dlp.html