Fatal error: Uncaught Error: Call to undefined function add_action() in /var/www/web24944467/html/wp-includes/functions.php:5310 Stack trace: #0 /var/www/web24944467/html/wp-settings.php(81): require() #1 /var/www/web24944467/html/wp-config.php(108): require_once('/var/www/web249...') #2 /var/www/web24944467/html/wp-load.php(37): require_once('/var/www/web249...') #3 /var/www/web24944467/html/wp-blog-header.php(13): require_once('/var/www/web249...') #4 /var/www/web24944467/html/index.php(17): require('/var/www/web249...') #5 {main} thrown in /var/www/web24944467/html/wp-includes/functions.php on line 5310