Dropdown menu was working, now not - update issue?

My site has been operational for awhile with no issues, now on some browsers the drop down is not working.

The menu button to expand the menu on mobile is also now not working.

Everything has been working fine for months and no changes were made.

Site is fwd to this url: https://www.fisherpaykeltechnologies.com/

I’m hoping someone can sheed some light on why this is occurring.

Here is my site Read-Only:

Did you find a solution to this?

I’m having the same issue…