It is a very old shader, looks like it's trying to do stuff for older versions of Unity. Here's one for the newer versions. Shader "Bumped Colour Specular" { Properties { _Color ("Main Color", Color) = (1,1,1,1) _SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1) _Shininess ("Shininess", Range (0.03, 1)) = 0.078125…