Unity 5.1 Fixing HideFlags.DontSave and Failed to Write File unity_builtin_extra

Posted 1 CommentPosted in Unity3D

Occasionally I find some handy solutions to unusual errors.  Today, I moved our company package from Unity 4.6 to 5.1, and had some interesting issues.  Most noticably Line Renderers no longer work properly with unlit vertex lines.  And some shaders, when you try to build to a WebPlayer plugin, cause errors such as HideFlags.DontSave. (13390)