SonarQube is under maintenance with sonarqube version

I can’t be able to access SonarQube since I’m getting SonarQube is under maintenance.

Welcome :slight_smile:

You didn’t provide much details, but i guess you did an update !?
see step 6 here Upgrade guide

4. Stop your old SonarQube Server
5. Start your new SonarQube Server
6. Browse to http://yourSonarQubeServerURL/setup and follow the setup instructions