Hello! I just purchased IPB and i'm now having an error when trying to access the "Webapp" tab though I have no Idea what it does I still don't like that it throws a error.

 

Just to add to this, we are aware internally that its coming up a fair bit for our users

We have released a patch for this issue. To apply, please go to AdminCP > Support > 1st (or top left) box will have a "Optional Patch Available" link. Click it and follow the instructions.