Warden third ability bugged when changing self cast keybinds.

[Fit]

I was trying out the other keybind options for selfcast, and noticed after I fiddled with them my third ability was uncastable for the the entire game as Warden, it would start channeling but I could never confirm a target for it... This lasted the whole match. I was able to cast it a single time after changing the binds but I am unsure why.