Shopify Theme's Mobile Hamburger Menu Fix

My Shopify website's hamburger menu is malfunctioning on mobile devices. It doesn't open when clicked.

- The issue began after adding some apps
- The problem is confined to this specific theme
- I need a quick fix just for the hamburger menu issue

Ideal freelancers should have:
- Proven experience with Shopify debugging
- Proficiency in theme-related issues
- Ability to deliver quick, efficient solutions