Anyone else having this problem? I've had to stop using W4 because of that bug... It happens randomly after a JA or spell.
It looks similar to an infrequent bug that happened with the text plugin in that the entire game screen gets overlapped with the background transparent fill of the timers text.
The temp way to fix it is to unload timers and reload it, but it will happen again randomly after a JA or spell and is very annoying... can even get you killed since you don't see very much when it happens.