Latest update breaks javascript on my website

updated to latest version and it breaks my site. Console reports the following error:

Uncaught ReferenceError: AnsPress is not defined
    at HTMLDocument.<anonymous> (script.js?ver=1:16)
    at i (jquery.js?ver=1.12.4:2)
    at Object.fireWith [as resolveWith] (jquery.js?ver=1.12.4:2)
    at Function.ready (jquery.js?ver=1.12.4:2)
    at HTMLDocument.K (jquery.js?ver=1.12.4:2)