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Warning: Undefined variable $mydb in D:\xampp\htdocs\_0\06_Hotel\pack\admin\mod_room\view.php on line 6

Fatal error: Uncaught Error: Call to a member function setQuery() on null in D:\xampp\htdocs\_0\06_Hotel\pack\admin\mod_room\view.php:6 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_0\06_Hotel\pack\admin\mod_room\view.php on line 6