Why can't map virtual shader source path?

[Mirro1871]

[UPO33]

you have to register your shader directory using AddShaderSourceDirectoryMapping().
see FLensDistortion::StartupModule

[Mirro1871]

• Is there a problem with registration?
• It also prompts an error :Can’t map virtual shader source path “/Plugins/Foo/Shaders/Private/MyShader.USF”.

[Anthony_Attwood]

Did you ever figure this out?

I’m having an error like this here:

Can’t see any reason for it, maybe the path is wrong in-engine