Getting Fatal on Woo_Variation_Swatches_Cache

getting the following error on the product listing page, using Flatsome child theme, however even if I switch to the none child theme have the same error:

https://staging.arydpo.com/product-category/earrings/

Fatal error: Uncaught Error: Class “Woo_Variation_Swatches_Cache” not found in /var/www/html/wp-content/themes/flatsome-child/woocommerce/wvs-archive-variation.php:16 Stack trace: #0 /var/www/html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include() #1 /var/www/html/wp-content/themes/flatsome-child/functions.php(910): wc_get_template() #2 /var/www/html/wp-includes/class-wp-hook.php(324): arydpo_archive_variation_template() #3 /var/www/html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #4 /var/www/html/wp-includes/plugin.php(517): WP_Hook->do_action() #5 /var/www/html/wp-content/themes/flatsome/woocommerce/content-product.php(81): do_action() #6 /var/www/html/wp-includes/template.php(812): require(‘…’) #7 /var/www/html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #8 /var/www/html/wp-content/themes/flatsome/woocommerce/layouts/category-off-canvas.php(62): wc_get_template_part() #9 /var/www/html/wp-includes/template.php(812): require(‘…’) #10 /var/www/html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #11 /var/www/html/wp-content/themes/flatsome/woocommerce/archive-product.php(33): wc_get_template_part() #12 /var/www/html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include(‘…’) #13 /var/www/html/wp-content/plugins/woocommerce/templates/taxonomy-product-cat.php(22): wc_get_template() #14 /var/www/html/wp-includes/template-loader.php(106): include(‘…’) #15 /var/www/html/wp-blog-header.php(19): require_once(‘…’) #16 /var/www/html/index.php(17): require(‘…’) #17 {main} thrown in /var/www/html/wp-content/themes/flatsome-child/woocommerce/wvs-archive-variation.php on line 16