Reset button results in infinite loading

Hi there, I am using the YITH WC Ajax navigation but it seems the Reset button won’t work anymore.

It used to work on, for example, this page: http://www.cavallo-floors.nl/product-categorie/laminaat/

Can you see what is wrong here?

https://ww.wp.xz.cn/plugins/yith-woocommerce-ajax-navigation/