Could not be compiled. Try rebuilding from source manually

So i created this little platformer template for uni project only using blueprints then decided to see if i can maybe do something using c++. I created a c++ actor class, it said it needed recompiling some module before it appears in content browser. I checked folder in had my class, then i saw the button to create a c++ project, got an error The namespace ‘’ already contains a definition , read that it might have something to do with the folder, tried to move the project folder to desktop then stopped the process half way, moved those files back and now when i try to open the project or unreal it says “could not be compiled. Try rebuilding from source manually”
It was working like 3 minutes before my actions. Does it have something to do with those classes or my shenanigans with moving folders? I only use vs2017 for university and never did anything related to unreal engine before. Pls help

Hello,

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Thanks