The standard OpenPLX bundles have breaking changes between version 0.25.7 and 0.26.0.
Update all .openplx files in the project taking into account the following API updates:
Visuals bundle naming updates changing Normals into singular Normal:
Visuals.Materials.SurfaceFeatures.Normals -> Visuals.Materials.SurfaceFeatures.Normal Visuals.Optics.SurfaceFeatures.Normals -> Visuals.Optics.SurfaceFeatures.Normal
Replacing occurances of SurfaceFeatures.Normals with SurfaceFeatures.Normal should cover everything.