We're aware of an issue where some players are getting stuck in queue and are unable to join a game. We are looking to get this fixed ASAP!
If you encounter this, please try relogging into your client to resolve the fix. Please also post logs / repro steps for the issue. Thanks!
EDIT: We've attempted a fix for the issue, so it should be resolved. Please reply to the thread if you run into the issue again. Thanks!