Shaders error - bug

There is a bug in the shader process...
When you use Vertex or Unlit with Cut Offset these errors are non-stoppable and drops fps to 1-10:

Unlit/Transparent Cutout:

Code (csharp):

1.  
2. [173.408224] Shader : Unlit/Transparent Cutout
3. [173.408742] Entrypoint : main
4. [173.409130] ERROR (24,94):
5.         unexpected undeclared identifier 'glstate_lightmodel_ambient'
6. [173.409882] WARN (19,7):
7.         local variable '_glesNormal' is unreferenced
8. [173.410665] WARN (22,12):
9.         local variable 'vertexColor' is unreferenced
10. [173.411397] --
11. [173.412054] ** FF Vertexprogram =
12.         uniform float4x4 glstate_matrix_mvp;
13.         struct In {  float4 vertex : POSITION; half3 normal : NORMAL; fixed4 col
14. or : COLOR; half4 texcoord0 : TEXCOORD0; };
15.         out varying fixed4 v_color : COLOR;
16.         uniform half4 _glesFFColor;
17.         out varying half2 v_texCoord0 : TEXCOORD0;
18.         struct LightModelParameters {
19.         float4 ambient;
20.         };
21.         uniform float4 _glesFrontMaterial_emission;
22.         uniform float4 _glesFrontMaterial_ambient;
23.         uniform float4 _glesFrontMaterial_diffuse;
24.         uniform float4 _glesFrontMaterial_specular;
25.         uniform float  _glesFrontMaterial_shininess;
26.         out varying float4 _ffpPosition : POSITION;
27.         void main(In input)
28.         {
29.         float4 _glesVertex  = input.vertex;
30.         half3 _glesNormal = input.normal;
31.         half4 _glesMultiTexCoord0 = input.texcoord0;
32.         _ffpPosition = mul(glstate_matrix_mvp, _glesVertex);
33.         float4 vertexColor = _glesFFColor;
34.         v_texCoord0 = _glesMultiTexCoord0.xy;
35.         float3 color        = _glesFrontMaterial_emission.rgb + _glesFrontMateri
36. al_ambient.rgb * glstate_lightmodel_ambient.rgb;
37.         float alpha = _glesFrontMaterial_diffuse.a;
38.         v_color = float4(color, alpha);
39.         }
40.  
41.  

Transparent/Cutout/VertexLit:

Code (csharp):

1.  
2. [230.517456] Shader : Transparent/Cutout/VertexLit
3. [230.517925] Entrypoint : main
4. [230.518303] ERROR (24,94):
5.         unexpected undeclared identifier 'glstate_lightmodel_ambient'
6. [230.519034] WARN (19,7):
7.         local variable '_glesNormal' is unreferenced
8. [230.519731] WARN (22,12):
9.         local variable 'vertexColor' is unreferenced
10. [230.520434] --
11. [230.521082] ** FF Vertexprogram =
12.         uniform float4x4 glstate_matrix_mvp;
13.         struct In {  float4 vertex : POSITION; half3 normal : NORMAL; fixed4 col
14. or : COLOR; half4 texcoord0 : TEXCOORD0; };
15.         out varying fixed4 v_color : COLOR;
16.         uniform half4 _glesFFColor;
17.         out varying half2 v_texCoord0 : TEXCOORD0;
18.         struct LightModelParameters {
19.         float4 ambient;
20.         };
21.         uniform float4 _glesFrontMaterial_emission;
22.         uniform float4 _glesFrontMaterial_ambient;
23.         uniform float4 _glesFrontMaterial_diffuse;
24.         uniform float4 _glesFrontMaterial_specular;
25.         uniform float  _glesFrontMaterial_shininess;
26.         out varying float4 _ffpPosition : POSITION;
27.         void main(In input)
28.         {
29.         float4 _glesVertex  = input.vertex;
30.         half3 _glesNormal = input.normal;
31.         half4 _glesMultiTexCoord0 = input.texcoord0;
32.         _ffpPosition = mul(glstate_matrix_mvp, _glesVertex);
33.         float4 vertexColor = _glesFFColor;
34.         v_texCoord0 = _glesMultiTexCoord0.xy;
35.         float3 color        = _glesFrontMaterial_emission.rgb + _glesFrontMateri
36. al_ambient.rgb * glstate_lightmodel_ambient.rgb;
37.         float alpha = _glesFrontMaterial_diffuse.a;
38.         v_color = float4(color, alpha);
39.         }
40. [230.536286] 34275: fps 2.35  ms/f 425.65 [kernel avail main 158MB, cdram 0MB, p
41. hycont 26MB]
42.  
43.  

any idea of what is going on?

 

Getting this as well

[323.639087] Compiling VERTEX shader "Mobile/Particles/Additive Culled" variation with entrypoint 'main' (md5:a2221e11a557067e52901a055743d956)
[323.779380] Shader : Mobile/Particles/Additive Culled
[323.779891] Entrypoint : main
[323.780273] ERROR (30,94):
unexpected undeclared identifier 'glstate_lightmodel_ambient'