Hello,
Please make the full backup of your site and check the issue on the Storefront theme to detect if our theme causes the problem. Storefront is a free theme developed by WooСommerce.
If you have the same on the Storefront, please check and make sure you have all the set of Woocommerce pages set: Shop page, Shopping cart, Checkout, My Account. Check and remove all the content if you have added any. In addition, check and make sure you have not set the shopping cart as the home page.
If none is workable, deactivate all the plugins except these ones:
Slider Revolution
WPBakery Page Builder or Elementor
Woodmart Core
Contact Form 7
MailChimp for WordPress
WooCommerce
Safe SVG
If the problem has gone, activate the plugins one by one, checking the issue to detect which one causes the problem.
Best Regards