Fail on compile fxaa fragment shader

[vinnik-dmitry07]

Fragment shader:
0(10) : error C1503: undefined variable "angleVarfade_texture"
0(10) : error C1105: cannot call a non-function
0(11) : error C1503: undefined variable "angleVarfade_texture"
0(11) : error C1105: cannot call a non-function
0(12) : error C1503: undefined variable "angleVarfade_texture"
0(12) : error C1105: cannot call a non-function
0(13) : error C1503: undefined variable "angleVarfade_texture"
0(13) : error C1105: cannot call a non-function
0(14) : error C1503: undefined variable "angleVarfade_texture"
0(14) : error C1105: cannot call a non-function
0(29) : error C1503: undefined variable "angleVarfade_texture"
0(29) : error C1105: cannot call a non-function
0(29) : error C1503: undefined variable "angleVarfade_texture"
0(29) : error C1105: cannot call a non-function
0(30) : error C1503: undefined variable "angleVarfade_texture"
0(30) : error C1105: cannot call a non-function
0(30) : error C1503: undefined variable "angleVarfade_texture"
0(30) : error C1105: cannot call a non-function

Possible solution: 049479b
PostProcessor is called with code:

ShaderLoader.BasePath = "shaders/";
postProcessor = PostProcessor(false, false, false)
val fxaa = Fxaa((Gdx.graphics.getWidth()*0.9).toInt(), (Gdx.graphics.getHeight()*0.9).toInt());
postProcessor.addEffect(fxaa)