Fatal error: Uncaught Error: Call to undefined function wp_check_php_mysql_versions() in /var/www/wordpress/wp-settings.php:37 Stack trace: #0 /var/www/wordpress/wp-config.php(94): require_once() #1 /var/www/wordpress/wp-load.php(37): require_once('/var/www/wordpr...') #2 /var/www/wordpress/wp-blog-header.php(13): require_once('/var/www/wordpr...') #3 /var/www/wordpress/index.php(4): require('/var/www/wordpr...') #4 {main} thrown in /var/www/wordpress/wp-settings.php on line 37