This is a very interesting issue.
I can understand how Daysim, Therm and so on are incompatible with a Mac, but I had not quite understood that the HB-Legacy scripts were also not compatible. This is a worry, for my second trimester large (200+) class. I must admit, I had assumed that because I can install native Openstudio for Mac and native Rhino, that the energy analysis could happen in HB-Legacy, and the example teaching for daylight would have to use HB-+.
We have just encountered this same error trying to let the HB bug fly in Rhino 6 just installed on a Mac. If there are no workarounds we may have to rethink the class.
I presume, as I can find no other similar issue of Google or in the forum, that this is a definite ‘will not work’ confirmation?