Hey guys, I have an issue with Coop on my map and was wondering if anyone knew how to fix it. Solo works fine, but when I play my map with a friend, he will be invisible, can't interact with anything, and whenever we get hit by zombies the whole game lags. Does anyone know how to fix this? Sorry if its a stupid question .

Hey guys, I have an issue with Coop on my map and was wondering if anyone knew how to fix it. Solo works fine, but when I play my map with a friend, he will be invisible, can't interact with anything, and whenever we get hit by zombies the whole game lags. Does anyone know how to fix this? Sorry if its a stupid question .

There's a problem with version 5.1 of his perks,try using the V5.0 or lower