I use ArtSmart in pretty much every project, and this week it has decided not to work. I have restarted my computer (and obviously c4d 
just in case there was some deeper problem but that didn’t clear it up. The console says:
/Users/tdjohnsn/Documents/current projects/portfolio_book/illustrations/workspace/parts/workaudit_pieces.ai
%PDF-1.5%⣏Ӎ
1 0 obj<
Traceback (most recent call last):
File “‘CV-ArtSmart.pyp’”, line 311, in Execute
File “‘CV-ArtSmart.pyp’”, line 373, in LoadArt
File “‘CV-ArtSmart.pyp’”, line 333, in GetConstructionPlane
TypeError: Required argument ‘doc’ (pos 1) not found
Did the latest Illustrator update mess something up?
I’m using R19.053 in OSX 10.13.5