File error loading resource header "lambert1.vmat_c" (Error: ERROR_FILEOPEN)
Texture missing shader resource view - returning error texture in CTextureManagerDx11::GetResourceView

File error loading resource header "materials/effects/fog_world_00.vtex_c" (Error: ERROR_FILEOPEN)
File error loading resource header "materials/effects/fow_clouds_00.vtex_c" (Error: ERROR_FILEOPEN)
File error loading resource header "particles/rain_fx/econ_weather_aurora_j.vpcf_c" (Error: ERROR_FILEOPEN)


what are these