You aren't able to view what a user did on your web app. User Monitoring not installed or User Session Replay feature is disabled.
User Monitoring Not Working
Please check User Monitoring data not available? for the solutions.
1) UX Profile Settings
Go to Germain Workspace > Left Menu > Analytics > UX Monitoring Profiles
Pick a profile
Make sure Session Replay Monitoring is checked
Component: RUM JS
Feature Availability: 2022.1 or later