When running a report from Home > Advanced Reporting, the following error is received:
RPT-0023: The user does not exist on reporting server or incorrect login credentials or server may be down. Please contact your system administrator.
The Clarity user could not be authenticated in the Jaspersoft Users database.
Solution 1: If you are seeing this issue post upgrading, see the below from docops:
After the upgrade, the folder-level or user-level security can get reset by the installer.
Note: After the folder-level access has been changed, run the "Create and Update Jaspersoft Users" JobSolution 2: If the above doesn't help, the other thing to check is to make sure the user has the Advanced Reporting - Report Create Right. If not, once that access is granted, run the following jobs in the following order: