Fatal error: Uncaught Error: Call to undefined function XTS\Modules\Out_Of_Stock_Manager\is_woocommerce() in /home/mainproject/public_html/wp-content/themes/woodmart/inc/integrations/woocommerce/modules/out-of-stock-manager/class-main.php:57 Stack trace: #0 /home/mainproject/public_html/wp-includes/class-wp-hook.php(324): XTS\Modules\Out_Of_Stock_Manager\Main->change_main_products_loop_query(Array, Object(WP_Query)) #1 /home/mainproject/public_html/wp-includes/plugin.php(256): WP_Hook->apply_filters(Array, Array) #2 /home/mainproject/public_html/wp-includes/class-wp-query.php(2955): apply_filters_ref_array('posts_clauses', Array) #3 /home/mainproject/public_html/wp-includes/class-wp-query.php(3852): WP_Query->get_posts() #4 /home/mainproject/public_html/wp-includes/post.php(6418): WP_Query->query(Array) #5 /home/mainproject/public_html/wp-content/themes/woodmart/inc/helpers.php(705): get_pages(Array) #6 /home/mainproject/public_html/wp-content/themes/woodmart/inc/helpers.php(719): woodmart_tpl2id('portfolio.php') #7 /home/mainproject/public_html/wp-content/plugins/woodmart-core/post-types.php(471): woodmart_get_portfolio_page_id() #8 /home/mainproject/public_html/wp-includes/class-wp-hook.php(324): WOODMART_Post_Types->register_portfolio('') #9 /home/mainproject/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #10 /home/mainproject/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #11 /home/mainproject/public_html/wp-settings.php(704): do_action('init') #12 /home/mainproject/public_html/wp-config.php(34): require_once('/home/mainproje...') #13 /home/mainproject/public_html/wp-load.php(50): require_once('/home/mainproje...') #14 /home/mainproject/public_html/wp-blog-header.php(13): require_once('/home/mainproje...') #15 /home/mainproject/public_html/index.php(17): require('/home/mainproje...') #16 {main} thrown in /home/mainproject/public_html/wp-content/themes/woodmart/inc/integrations/woocommerce/modules/out-of-stock-manager/class-main.php on line 57