Solution 1 to resolve this issue -
This error might be caused by the jQuery event-aliases like .load(), .unload() or .error() that all methods are deprecated since jQuery 1.8.
Please check these aliases methods in your code and replace them with the .on() method instead.
As an Example,
Replace the following deprecated excerpt:
With the following:
Solution 2 to resolve this issue -
This error is often caused by incompatible jQuery versions. You can check your the version of jQuery and update/downgrade your jQuery version it.
I hope these solutions will help you a lots.