Paddius

hi, when i start the mission i get an error that says script coop_essential\cep_cache_units.sqf is missing. does anybody know what i did wrong? i found a coop_essential package on armaholics with the script in it, but i don't know how to install it. also this package is not listed in the requirements of this mission. furthermore i have seen, that no AI is activated, is this just the case because of the missing script or is it simply not possible to play this mission with AI support?