We've been using Rhino4 and RhinoCam 2 for years without many issues. Saturday when we selected Rhino to work on some projects we got the following error message concerning RhinoCam.

Unable to load RhinoCAM 2.0rhp plug-in: no class derived from CRhinoPlugIn in plug-in file.

Please contact the plug-in vendor to get the latest version.


I know that 2 is no longer supported but does anyone have an idea on how to fix this. We spent a lot of money on this program but now the only answer we got from the manufacture was that we needed a $6000 upgrade.

Thanks,

Mike