Warning: Undefined variable $db in /home/goforbun/public_html/egc2008/include/make_table.php on line 100

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/goforbun/public_html/egc2008/include/make_table.php:100 Stack trace: #0 /home/goforbun/public_html/egc2008/include/make_table.php(100): mysqli_query() #1 /home/goforbun/public_html/egc2008/en/registration/registered.php(69): make_table() #2 {main} thrown in /home/goforbun/public_html/egc2008/include/make_table.php on line 100