Fatal error: Uncaught Error: Class 'WooCommerce\Square\Admin\Product_Editor_Compatibility' not found in /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-content/plugins/woocommerce-square/woocommerce-square.php:459 Stack trace: #0 /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-includes/class-wp-hook.php(324): WooCommerce_Square_Loader->declare_features_compatibility('') #1 /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #2 /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-content/plugins/woocommerce/includes/class-woocommerce.php(827): do_action('before_woocomme...') #4 /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-includes/class-wp-hook.php(324): WooCommerce->init('') #5 /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #6 /home/hisakishintaku/w in /home/hisakishintaku/www/three-tiers-shop/wp-admin/wp-content/plugins/woocommerce-square/woocommerce-square.php on line 459