Quote Originally Posted by lat9 View Post
I haven't had a chance to test any zc157 interoperations. Would you open an issue on OPC's GitHub for tracking (https://github.com/lat9/one_page_checkout)?
I can now verify that I've replicated @dbltoe's issue on zc157. No good deed goes unpunished; this is a direct result of this Zen Cart PR that corrects the ot_shipping module's previous behavior (where it registered itself during class-construction rather than during the 'process' method).