If you run into problems with the plugin, like product is not being added to cart, or other issues, you could try the following steps to try to fix the problem:
1. Go to Woocommerce > Upsell Popup > General.
2. Here you will see an option to turn off AJAX. Tick the box that says “Turn off AJAX on single product pages”.
3. Save the changes.
4. Clear all your server’s cache, and also your browser’s cache, and see if your issue has been fixed.
If your issue is still not fixed after following all the steps above, here’s the next thing you could try:
1. Go to Woocommerce > Upsell Popup > General.
2. Here you will see an option that says “AJAX script to Use”. Next to it is a checkbox with a label that says “Switch to Woocommerce native handler”. Tick this checkbox.
3. Save the changes.
4. Clear all your server’s cache, and also your browser’s cache, and see if your issue has been fixed.
Note:- If your popup is not opening and redirecting to the direct cart page, then check and change this setting.
1. Go to Woocommerce > Settings > Products > General.
If your issue still persists, please contact support.