Error in Unity editor: Mismatched serialization in the builtin class 'Mesh'.

Hey guys, this error has been popping up in my project every time I compile my game.

It doesn’t point to any file so I don’t know what to do, any suggestions?

more info on this thread http://forum.unity3d.com/threads/210417-project-4-2-to-4-3-Mismatched-serialization-in-the-builtin-class-Mesh