[Hustle Pro] Hustle Pro Javascript Error: HUI.slideinBoxShadow is not a function

Hi there. Our subscription slider isn’t popping up, and I see this error in the inspector log:
Uncaught TypeError: HUI.slideinBoxShadow is not a function
at n.showModule (front.min.js?ver=1.1:1)
at n.display (front.min.js?ver=1.1:1)
at front.min.js?ver=1.1:1
at i (underscore.min.js?ver=1.8.3:1)