Fatal error: Uncaught Error: Call to undefined function wp_doing_ajax() in /home/borange3/colegioclaret.pt/wp-content/themes/estudiar/vamtam/admin/helpers/updates/version-checker.php:38 Stack trace: #0 /home/borange3/colegioclaret.pt/wp-content/themes/estudiar/vamtam/admin/helpers/updates/version-checker.php(24): Version_Checker->__construct() #1 /home/borange3/colegioclaret.pt/wp-content/themes/estudiar/vamtam/admin/helpers/updates/version-checker.php(402): Version_Checker::get_instance() #2 {main} thrown in /home/borange3/colegioclaret.pt/wp-content/themes/estudiar/vamtam/admin/helpers/updates/version-checker.php on line 38