Ayyware Paste Help

I went into Mischack.cpp and added the junk code fine now im trying to go into another cpp like AntiAntiAim.cpp and add the junk code but I cant for some reason can get these errors

Severity Code Description Project File Line Suppression State
Error (active) E0276 name followed by '::' must be a class or namespace name Project-Cocaine c:\Users\TempAccount\Desktop\sensation_[*************.me]_\sensation\Autowall.cpp 214

Error C2653 'CMiscHacks': is not a class or namespace name Project-Cocaine C:\Users\TempAccount\Desktop\sensation_[*************.me]_\sensation\Autowall.cpp 214

Edit: I know its simple but I'm having trouble

learncpp.com if youre that dumb and cant read