Uncaught TypeError: a(...).parents(...).andSelf is not a

Im getting this error on page load :

Uncaught TypeError: a(...).parents(...).andSelf is not a function

at Object.parse (jquery.validate.unobtrusive.min.js:19)

at HTMLDocument. (jquery.validate.unobtrusive.min.js:19)

at mightThrow (jquery-3.1.1.js:3570)

at process (jquery-3.1.1.js:3638)

In the jquery.validate.unobtrusive.min file the error occurs is shown below:

, parse: function (b) { var c = a(b).parents("form").andSelf().add(a(b).find("form")).filter("form");

thank you in adavance for the help