Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /homepages/18/d502981563/htdocs/media.php:5 Stack trace: #0 /homepages/18/d502981563/htdocs/media.php(5): mysqli_query(NULL, 'select * from m...') #1 {main} thrown in /homepages/18/d502981563/htdocs/media.php on line 5