Fatal error: Uncaught Error: Call to undefined function wp_die() in /var/www/html/wp-includes/load.php:388 Stack trace: #0 /var/www/html/wp-settings.php(76): wp_maintenance() #1 /var/www/html/wp-config.php(87): require_once('/var/www/html/w...') #2 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...') #3 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...') #4 /var/www/html/index.php(17): require('/var/www/html/w...') #5 {main} thrown in /var/www/html/wp-includes/load.php on line 388