Fatal error: Uncaught Error: Call to undefined function add_action() in /home/user2040093/www/belaquilon.by/wp-content/plugins/wp-views/inc/wpv-admin-ajax-layout-wizard.php:21 Stack trace: #0 /home/user2040093/www/belaquilon.by/wp-content/plugins/wp-views/inc/wpv-admin-ajax-layout-wizard.php(692): WPV_Loop_Output_Wizard->initialize() #1 {main} thrown in /home/user2040093/www/belaquilon.by/wp-content/plugins/wp-views/inc/wpv-admin-ajax-layout-wizard.php on line 21