Messages app shows 1 unread message, but no unread convos
The app in my dock show that I have 1 unread message. I have right clicked it and tried to click the number, but nothing happens. I have looked at the app and there are no unread messages in any of my conversations. Any ideas?
MacBook Pro (Retina, 13-inch, Late 2013), OS X Yosemite (10.10.2)