Fatal error: Uncaught Error: Call to undefined function wp_doing_ajax() in /home/nobil/www/cheernippon-jp/wp-content/plugins/post-types-order/include/class.cpto.php:169 Stack trace: #0 /home/nobil/www/cheernippon-jp/wp-includes/plugin.php(291): CPTO->posts_orderby('wp_posts.post_d...', Object(WP_Query)) #1 /home/nobil/www/cheernippon-jp/wp-includes/query.php(3342): apply_filters_ref_array('posts_orderby', Array) #2 /home/nobil/www/cheernippon-jp/wp-includes/query.php(4002): WP_Query->get_posts() #3 /home/nobil/www/cheernippon-jp/wp-includes/class-wp.php(610): WP_Query->query(Array) #4 /home/nobil/www/cheernippon-jp/wp-includes/class-wp.php(728): WP->query_posts() #5 /home/nobil/www/cheernippon-jp/wp-includes/functions.php(952): WP->main('') #6 /home/nobil/www/cheernippon-jp/wp-blog-header.php(16): wp() #7 /home/nobil/www/cheernippon-jp/index.php(17): require('/home/nobil/www...') #8 {main} thrown in /home/nobil/www/cheernippon-jp/wp-content/plugins/post-types-order/include/class.cpto.php on line 169