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Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/gagebu/www/database.php:29 Stack trace: #0 /home/gagebu/www/database.php(29): mysqli_query() #1 /home/gagebu/www/hani.php(2): include('...') #2 {main} thrown in /home/gagebu/www/database.php on line 29