I recently logged onto TML and everything was normal until I got to the world menu. My characters are still working fine, but the world I was playing on seems to be corrupt. It is now called "unknown world" and has had all information from it removed. When i click play it says "Load failed no backup found." I checked my files and the world itself is still in them so I do not think it is deleted. I tried reinstalling the game three times, I restarted my PC, I checked the file integrity on steam but that is all I have found on what to do. How do I fix this please help