Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /var/www/html/blogg/include/mysqli.php:76 Stack trace: #0 /var/www/html/blogg/include/mysqli.php(76): mysqli_query() #1 /var/www/html/blogg/include/common.php(213): DBLayer->query() #2 /var/www/html/blogg/include/common.php(63): load_settings() #3 /var/www/html/blogg/gallery_view.php(27): require('...') #4 {main} thrown in /var/www/html/blogg/include/mysqli.php on line 76