standalone OSL problem

[docaml]

Hi guys,
I do have a problem with osl shader when I try to render exported vrayscene with standalone.
osl shader is rendered black and i got this error message:

[2020/Jul/4|22:59:36] [80 MB] |obj|XXXXXX|chrome|steel_IOR :: OSL include variable is VRAY_OSL_PATH=(null)
[2020/Jul/4|22:59:36] [80 MB] |obj|XXXXXX|matnet1|chrome|steel_IOR :: OSL standard header is (null)
ERROR: Attempt to load shader "P:/19012_DOCA_STUFF/users/osl_shaders/complex_ior.osl" with empty OSO data.
[2020/Jul/4|22:59:36] [80 MB] error: [OSLIntegrator::makeOSOFromString] Could not find stdosl.h. Please check VRAY_OSL_PATH
[2020/Jul/4|22:59:36] [80 MB] |obj|XXXXXX|matnet1|silver|steel_IOR :: OSL include variable is VRAY_OSL_PATH=(null)
[2020/Jul/4|22:59:36] [80 MB] |obj|XXXXXX|matnet1|silver|steel_IOR :: OSL standard header is (null)
[2020/Jul/4|22:59:36] [80 MB] error: [OSLIntegrator::makeOSOFromString] Could not find stdosl.h. Please check VRAY_OSL_PATH
[2020/Jul/4|22:59:36] [80 MB] Preparing scene for rendering...: done [ 0h 0m 0.0s]

Anybody knows what is wrong?

Best,
Doca

[bdancer]

Well, have you checked the contents of VRAY_OSL_PATH variable? Is it set? It should point to "YOUR_PATH_TO_VFH/appsdk/bin/" where stdosl.h is located.