Your theme (SiteOrigin North) contains outdated copies of some WooCommerce template files. These files may need updating to ensure they are compatible with the current version of WooCommerce. You can see which files are affected from the system status page. If in doubt, check with the author of the theme.
siteorigin-north/woocommerce/cartcart.php version 2.3.8 is out of date. The core version is 3.0.0,
siteorigin-north/woocommerce/cartmini-cart.php,
siteorigin-north/woocommerce/checkoutform-checkout.php,
siteorigin-north/woocommerce/loopadd-to-cart.php version 2.5.0 is out of date. The core version is 3.0.0,
siteorigin-north/woocommerce/looppagination.php,
siteorigin-north/woocommerce/product-searchform.php,
siteorigin-north/woocommerce/single-productadd-to-cartsimple.php version 2.1.0 is out of date. The core version is 3.0.0,
siteorigin-north/woocommerce/single-productmeta.php version 1.6.4 is out of date. The core version is 3.0.0,
siteorigin-north/woocommerce/single-product-reviews.php
Hi A,
This will be resolved shortly in a theme update. Very sorry about this!
Thank you! We are waiting for you!