jQuery.easing error,

Hello, Highend team. Really could use your eyes on this.

https://www.chesapeakelegal.org

Home page, revolution slider, and Dropdown menus not working just on homepage. Pointing to java script.

Uncaught TypeError: jQuery.easing[jQuery.easing.def] is not a function
at Object.swing (scripts.js?ver=3.9.4:12:8900)
at init.run (jquery.min.js?ver=6.4.1:4:218)
at Object.stop (jquery.min.js?ver=6.4.1:4:4215)
at HTMLUListElement.<anonymous> (jquery.min.js?ver=6.4.1:4:6011)
at Function.each (jquery.min.js?ver=6.4.1:2:2973)
at m.fn.init.each (jquery.min.js?ver=6.4.1:2:835)
at m.fn.init.stop (jquery.min.js?ver=6.4.1:4:5776)
at m.fn.init.hide (scripts.js?ver=3.9.4:19:2516)
at a.fn.superfish (scripts.js?ver=3.9.4:19:3713)
at HTMLLIElement.m (scripts.js?ver=3.9.4:19:1220)