Hi, I am having an issue with a simple layered list texture map shader I am using for a new model.  I have never seen this issue before. Almost all of the object I am shading works perfectly except for an are on one side of the front end of it.  I will include an image so you can see what I mean.  I will also include an image of the object in the modeling room.  Any help appreciated.  This is one of my first attempts at a fairly complicated vertex object, so I am probably doing something dumb which is causing this.