Warning: Undefined array key "db_name" in C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\core\Model.php on line 21

Fatal error: Uncaught TypeError: Database::getConnection(): Argument #1 ($database) must be of type string, null given, called in C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\core\Model.php on line 21 and defined in C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\config\database.php:53 Stack trace: #0 C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\core\Model.php(21): Database::getConnection() #1 C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\core\Controller.php(32): Model->__construct() #2 C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\app\controllers\AuthController.php(19): Controller->model() #3 C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\config\routes.php(107): AuthController->__construct() #4 C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\config\routes.php(70): Router->callController() #5 C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\public\index.php(50): Router->dispatch() #6 {main} thrown in C:\inetpub\vhosts\angkorad-77126.package\hospitals.peanech.com\config\database.php on line 53