Spectator data Failure Game will now exit

I would try to spectate one of my friends, the game would load but when everybody is at 100% the Screen goes black and its says "Spectator data Failure. Game will now exit" i would try to relogin/restart my computer and the same thing happens !Please Help! this has been going on for 3 weeks its getting really annoying :| ! please help! ! Support me!