Method __construct

/**
 * Constructor
 *
 * @param   string      $message   The Exception message to throw.
 * @param   integer     $code      The Exception code.
 * @param   \Exception  $previous  The previous exception used for the exception chaining.
 *
 * @since   3.8.0
 */
public function __construct($message = '', $code = 404, \Exception $previous = null)
{
    if (empty($message)) {
        $message = 'URL was not found';
    }
    parent::__construct($message, $code, $previous);
}