[Help] CO2Private Server Error [Error]

Hello, I am making a private server and after fixing 2 error's witch I fixed (I made mistakes) now I have gone over my files 1 million time s and now I get this!! I am honestly getting really mad at myself! Any help?

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You haven't set up the source properly.

I believe that error is related to not configuring the database properly but I could be wrong. Also try breakpointing that line to see what is null and causing the crash. it will give you an easy way to trace back where the error is being caused from.