Fatal error: Uncaught mysqli_sql_exception: Unknown database 'thiepmoitatnien2025' in C:\xampp\htdocs\tatnien\web_src\common\mysql.php:44 Stack trace: #0 C:\xampp\htdocs\tatnien\web_src\common\mysql.php(44): mysqli->real_connect('192.168.0.166', 'cxk', Object(SensitiveParameterValue), 'thiepmoitatnien...') #1 C:\xampp\htdocs\tatnien\web_src\bean\KhoaPhongPeer.php(10): db_mysql->connect() #2 C:\xampp\htdocs\tatnien\www\View\_sharedLayout\FormDangKy.htm(1): KhoaPhongPeer->__construct() #3 C:\xampp\htdocs\tatnien\index.php(69): include('C:\\xampp\\htdocs...') #4 {main} thrown in C:\xampp\htdocs\tatnien\web_src\common\mysql.php on line 44