With a recent update it broke for me too but I recall replacing the dll's with another version some time ago.
Version of the plugin do you have? mine is 3.7.14
edit: there is even a newer version: http://ts3overlay.r-dev.de/download/
Version of the plugin do you have? mine is 3.7.14
edit: there is even a newer version: http://ts3overlay.r-dev.de/download/