Quote Originally Posted by NilesRocks View Post
Contrib just downloaded this morning so: v 2.1.0
Zen is 1.3.7.1
I bet I need to upgrade... huh?
Not exactly, you need to use v2.09a of the contrib. V 2.1.0 is for Zen Cart v1.3.8 and there a some core file differences that will screw things up in strange ways if you mis-match the versions.

Regards,
Christian.