Quote Originally Posted by lat9 View Post
That's a very, very old (released 2017-08-12) version. I suggest that you update to the more recent v2.2.1 (released 2019-11-10).
Yeah, I upgraded my Zencart store a short time after the initial release of this module.
Sigh... I'll try to do that upgrade soon. (I need to do upgrades so infrequently, that I am always unsure what I am doing!)