js error on console

Hi,

I just want you to know about this error or if you know this, I would be very happy if you help me about it. I can see nothing wrong but it’s better to have no problem in the page.

I get this error on mobile. so if you want to test it, use mobile view. thank you

Uncaught TypeError: this.$element.sticky is not a function
at child.activate (frontend.min.js?ver=3.9.2:2:19362)
at e.each.r. as activate
at child.run (frontend.min.js?ver=3.9.2:2:19673)
at e.each.r. as run
at child.onInit (frontend.min.js?ver=3.9.2:2:20481)
at e.each.r. as onInit
at Module.trigger (frontend-modules.min.js?ver=3.9.2:2:11227)
at e.each.r. as trigger
at init (frontend-modules.min.js?ver=3.9.2:2:10057)
at child.Module (frontend-modules.min.js?ver=3.9.2:2:11307)

The page I need help with: [log in to see the link]