If you don't know, then you almost certainly aren't (including the Unity one, which you do have to set up explicitly to use).įrom the way you describe it, it definitely looks like your script files have somehow been overwritten with the contents of some other files - one of them looks like maybe a scene file and I think the other is a.
Click to expand.A better question is, are you using a repo service? This would be something like git, svn, Perforce, or Unity's builtin source control.