Trying to generate the 'User Activity' report from DevTest Portal and the report section shows no data.
DevTest Portal-->Reporting-->Administration-->User Activity
Release : 10.7.2
Fontconfig not installed on Amazon Linux server and caused the issue.
Per System Requirements, DevTest requires Fontconfig to be installed on Amazon Linux 2022. Run the below command to install Fontconfig:
sudo yum install fontconfig *dejavu*
After installing Fontconfig and restarting Registry and Portal issue should be resolved.
Look for the below in registry.log.