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Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/html/v1.0/include/connectivity/db.php:2 Stack trace: #0 /var/www/html/v1.0/include/connectivity/db.php(2): mysqli->__construct() #1 /var/www/html/v1.0/include/structure/connect.php(5): include('...') #2 /var/www/html/v1.0/pages/goods.php(8): require_once('...') #3 {main} thrown in /var/www/html/v1.0/include/connectivity/db.php on line 2