Fatal error: Uncaught Error: Interface 'Automattic\WooCommerce\Blocks\Integrations\IntegrationInterface' not found in /home/customer/www/rareandvintagetshirts.com/public_html/wp-content/plugins/mailchimp-for-woocommerce/blocks/woocommerce-blocks-integration.php:16 Stack trace: #0 /home/customer/www/rareandvintagetshirts.com/public_html/wp-content/plugins/mailchimp-for-woocommerce/blocks/newsletter.php(6): require() #1 /home/customer/www/rareandvintagetshirts.com/public_html/wp-content/plugins/mailchimp-for-woocommerce/mailchimp-woocommerce.php(53): include_once('/home/customer/...') #2 /home/customer/www/rareandvintagetshirts.com/public_html/wp-includes/class-wp-hook.php(308): {closure}('') #3 /home/customer/www/rareandvintagetshirts.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #4 /home/customer/www/rareandvintagetshirts.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/customer/www/rareandvintagetshirts.com/public_html/wp-settings.php(486): do_actio in /home/customer/www/rareandvintagetshirts.com/public_html/wp-content/plugins/mailchimp-for-woocommerce/blocks/woocommerce-blocks-integration.php on line 16