Problem with JS

Replies: 0

Hi there, i have a problem with a file JS in my website. This is the error in my console. How can i fix this?

q2w3-fixed-widget.min.js?ver=5.1.6:1 Uncaught TypeError: a.target.className.indexOf is not a function
at q2w3-fixed-widget.min.js?ver=5.1.6:1
at Array.forEach (<anonymous>)
at MutationObserver.<anonymous> (q2w3-fixed-widget.min.js?ver=5.1.6:1)
(anonymous) @ q2w3-fixed-widget.min.js?ver=5.1.6:1
(anonymous) @ q2w3-fixed-widget.min.js?ver=5.1.6:1

Best regards,
Diego