I have encountered a problem in my game, I have a 5 man setup with ISboxer, playing wow classic.

My problem is that on any of my characters in my setup I can get that the game kinda "toggle User Interface" off so all is gone on the screen this happens inspite me having no key bound for it. I dont get why it happens, it can happen on the screen im currently playing from and the only thing I can do is reload UI and I get my screen back. But it also happens on the slaves, never happens the same time but can occur often.
I have tried making a key bound for "toggle User Interface" but that key I cant push when the problems shows itself, only thing that works is (reload UI).

I hope for bit of help here.

I have tried removing addons except for Isboxer and Ema-Classic.

thanks in advance
Crazybox