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https://youtu.be/O-Unric3AhY State Sets Error and Max NET Unhandled Exceptions | How to fix it? "Find this file …\bin\assemblies\Autodesk.Max.StateSets.dll (example for path – C:\Program Files\Autodesk\3ds Max 20XX\bin\assemblies\Autodesk.Max.StateSets.dll) and Rename it to Autodesk.Max.StateSets.dll.back --- ArchvizTools | https://gumroad.com/archviztools