Very bad support, very bad practices

Hi guy, i encountered an error when I pressed the ADD TO CART button, I do not know where the error is from, who has encountered this situation and can suggest me a solution to fix?

// Link to image

1, https://i.imgur.com/Ft3dtzg.png
2, https://i.imgur.com/45IYqIM.png
3, https://i.imgur.com/E46Cdm9.png

Can someone help me investigate/fix this issue?

Many thanks!

https://wordpress.org/plugins/yith-woocommerce-wishlist/

https://wordpress.org/support/topic/please-remove-unecessary-scripts/
https://github.com/ThemeFuse/Unyson/issues/1822#issuecomment-248814672/
https://github.com/woocommerce/woocommerce/issues/15711#issuecomment-309972325/

• This topic was modified 6 years, 10 months ago by ttn.
• This topic was modified 6 years, 10 months ago by ttn.
• This topic was modified 6 years, 7 months ago by ttn.