Help with TMod error

[DinoZers]

So yeah that's the problrm i have i haven't done anything to my original terraria BUT the last thing i did befor this started happening was that i installed the 64Bit version of TMod
And wanted to go back to my steam version of it
So yeah someone help me pls ;-;

 

[DinoZers]

Help me pls
I have played vanilla a lot already ;-;