having installed your app and getting the server connected to the forums. I'm trying to associate the forum groups with TS3 groups but every time I push the save button, the group associate page reverts to all -1's
additionally, The Global Messages tab in admincp gives the following error
We're sorry, but a temporary technical error has occurred which means we cannot display this site right now. Class 'IPS\Helpers\Form\CheckBox' not found