Js Error Error On Checkout Page

When we press the Continue button on the Checkout page on the Shipping Options tab we get an error below:

TypeError: data.html[k].indexOf is not a function
if (data.html[k].indexOf('<form') != -1 && elm.parents('form').length) {

https://www.fleaffair.com/var/cache/misc/statics/js/tygh/scripts-35cbf75b23abeb0f583dadf779d6e0ee1461242662.js?ver=4.2.4
Line 5178

Does any one know what could be the reason?

When we press the Continue button on the Checkout page on the Shipping Options tab we get an error below:

TypeError: data.html[k].indexOf is not a function
if (data.html[k].indexOf('https://www.fleaffair.com/var/cache/misc/statics/js/tygh/scripts-35cbf75b23abeb0f583dadf779d6e0ee1461242662.js?ver=4.2.4
Line 5178

Does any one know what could be the reason?

It is hard to say anything without detailed examination. Also I have reviewed bug tracker and failed to find any similar issue. Most possibly it is caused by 3rd party theme

It is hard to say anything without detailed examination. Also I have reviewed bug tracker and failed to find any similar issue. Most possibly it is caused by 3rd party theme

Shall I give you access to our server

Have you tried clearing the cache?

Shall I give you access to our server

Please PM me temporary access. If we have time, we will check the issue