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Fatal error: Uncaught Error: Call to undefined function is_shop() in /var/www/html/wp-content/themes/woodmart-child/functions.php:28 Stack trace: #0 /var/www/html/wp-includes/class-wp-hook.php(324): move_out_of_stock_products_to_end(Object(WP_Query)) #1 /var/www/html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #2 /var/www/html/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #3 /var/www/html/wp-includes/class-wp-query.php(1910): do_action_ref_array('pre_get_posts', Array) #4 /var/www/html/wp-includes/class-wp-query.php(3949): WP_Query->get_posts() #5 /var/www/html/wp-includes/class-wp.php(701): WP_Query->query(Array) #6 /var/www/html/wp-includes/class-wp.php(821): WP->query_posts() #7 /var/www/html/wp-includes/functions.php(1342): WP->main('') #8 /var/www/html/wp-blog-header.php(16): wp() #9 /var/www/html/index.php(17): require('/var/www/html/w...') #10 {main} thrown in /var/www/html/wp-content/themes/woodmart-child/functions.php on line 28