Fatal error: Uncaught TypeError: mysqli_free_result(): Argument #1 ($result) must be of type mysqli_result, null given in /home/room/booking/module/room/room.php:156
Stack trace:
#0 /home/room/booking/module/room/room.php(156): mysqli_free_result()
#1 /home/room/booking/home.php(147): include('...')
#2 {main}
thrown in /home/room/booking/module/room/room.php on line 156