Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/html/common_queries.php:4 Stack trace: #0 /var/www/html/common_queries.php(4): mysqli->query() #1 /var/www/html/tracks.php(19): include('...') #2 {main} thrown in /var/www/html/common_queries.php on line 4