YITH WooCommerce Points and Rewards apply points unresponding to checkout

Hi dear team,

My website is using the YITH WooCommerce Points and Rewards plugin. However, when I use the apply point function (check attachment file) to apply points and proceed to checkout, there is no response. Instead, it jumps back to the checkout page. It should ideally redirect to the Checkout Successfully page.

FYI, I have tried switching to the default WordPress theme, and it works perfectly fine. However, when I switch back to Woodmart theme, the issue persists. I would like to seek your professional advice or any possible solutions to resolve this issue.

I really appreciate your help.