Warning: require(/var/www/html/public_html/.maintenance): Failed to open stream: No such file or directory in /var/www/html/public_html/wp-includes/load.php on line 444

Fatal error: Uncaught Error: Failed opening required '/var/www/html/public_html/.maintenance' (include_path='.:/usr/local/lib/php') in /var/www/html/public_html/wp-includes/load.php:444 Stack trace: #0 /var/www/html/public_html/wp-includes/load.php(402): wp_is_maintenance_mode() #1 /var/www/html/public_html/wp-settings.php(79): wp_maintenance() #2 /var/www/html/public_html/wp-config.php(104): require_once('/var/www/html/p...') #3 /var/www/html/public_html/wp-load.php(50): require_once('/var/www/html/p...') #4 /var/www/html/public_html/wp-blog-header.php(13): require_once('/var/www/html/p...') #5 /var/www/html/public_html/index.php(17): require('/var/www/html/p...') #6 {main} thrown in /var/www/html/public_html/wp-includes/load.php on line 444