Fatal error: Uncaught Error: Call to undefined function add_action() in /srv/users/serverpilot/apps/42bustour/public/wp-includes/functions.php:5331 Stack trace: #0 /srv/users/serverpilot/apps/42bustour/public/wp-settings.php(81): require() #1 /srv/users/serverpilot/apps/42bustour/public/wp-config.php(96): require_once('/srv/users/serv...') #2 /srv/users/serverpilot/apps/42bustour/public/wp-load.php(37): require_once('/srv/users/serv...') #3 /srv/users/serverpilot/apps/42bustour/public/wp-blog-header.php(13): require_once('/srv/users/serv...') #4 /srv/users/serverpilot/apps/42bustour/public/index.php(17): require('/srv/users/serv...') #5 {main} thrown in /srv/users/serverpilot/apps/42bustour/public/wp-includes/functions.php on line 5331