Trying to use The Pac a Punch door from Deri Rise in my map, I set up everything the door goes down after all the teleporters are linked to the mainframe. I can go through but after I do the zombies just stop pathing to me and give me the I don't know what you want me to do look. Does anyone hav...

I've messed around with this for a long time, I downloaded a black ops weapon pack and everything works well but if you shoot a barrier with the scavenger this error crashes the map "ERROR: Attempted to overrun string in call to va()" the console says this  "undefined is not a fie...