Step1: Check ERA Server (v.22.04.01) and ERA Explorer version (v.22.05.01)
Step2: Check machine Date and time.
Step3: Disable Firewall/network IPv6/ Anti-virus
Step4: Cache clear of system In run command type (%temp%) select all files and delete and for ERA Explorer In run command type (%appdata%) select ERA explorer file and delete.
Step5: Close ERA server and LF login, go to the path (C:\ERA\metabase\ro) rename the web folder, framework folder, and download folder (like old_web)
Step6: Start ERA Server and must do LF login after that do learner login and check your issue will get solved.
If the issue persists, please generate the SOLAR ticket with the following details.
Learner Code-(those who are facing issues)
Screenshot of the issue
Provide mobile number.