Sonarqube project "Issue" tab is empty

1.Sonarqube version 6.0
2.we have integrated eclipse with sonar qube server to pull out a report on the code coverage statistics
3.I can able to successfully scan my source code and coverage is published on the dashboard but when i click on the issues Issues Tab section under our project,its not showing anything. but can see my project reported some bugs and vulnerabilities.

Hi,

The current version and latest LTS is 7.9.1. You’re more than two LTSs behind, and you’re going to have a hard time finding someone to help you with such an old version. Please upgrade at your earliest convenience, and if the problem persists after upgrade come back to us.

 
Ann