If you see your list of repositories empty or you are missing a specific repository, it might be because your issue tracker is disabled on certain repositories
Make sure you the issue tracker is enabled on the repository
Step 1: Log into your GitHub account and select your repository
Step 2: Go in the Settings tab
Step 3: Go to the Options tab
Step 4: Activate the issue tracker.
Still not working?
If the problem is not related to your issue tracker not being activated, try to disconnect and reconnect again your GitHub account in your admin panel here;