Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/html/config/database.php:35 Stack trace: #0 /var/www/html/config/database.php(35): mysqli->set_charset('utf8mb4') #1 /var/www/html/theme/functions/template/template.php(15): database->__construct() #2 /var/www/html/index.php(19): template->__construct() #3 {main} thrown in /var/www/html/config/database.php on line 35