Layered textures are not working correctly.After adding layers to the material, the mapping mode changes to "Parametric".Display of layers in rendering are inconsistent with settings.Some layers are incorrectly displaying a transparent background.
MS_PATTERN does not include ...\bentley\microstation\mdlsys\textures.The texture layering system uses proceedure files that are delivered in...\bentley\microstation\mdlsys\textures.
If MS_PATTERN was altered to not include a path to this location, the texture layering system will not function correctly.1. Go to Workspace > Configuration > Rendering/Images category.2. Highlight "Pattern Maps".3. Click on Select ("Select Path for Pattern Maps" dialog opens.4. Browse to ...\Bentley\Microstation\mdlsys\textures\5. Click Add.6. Click Done.7. Save configuration.8. Restart MicroStation.