function error()
{
$app = Slim\Slim::getInstance();
dbConn::close_connection();
// Close the connection to the MySQL database
mongoConn::close_connection();
// Close the connection to the NoSQL database
// remove all session variables
session_unset();
// destroy the session
session_destroy();
// Show the error
$error = array("error" => "Unauthorised Access. Please Login to use this site.");
$app->render('../api/resources/error.php', array('myerror' => $error));
}