상속: extends Exception
 public function __construct(Portal $portal, $environment)
 {
     parent::__construct(sprintf('The environment "%s" could not be found in the portal "%s".', $environment, $portal->getKey()));
     $this->portal = $portal;
     $this->environment = $environment;
 }
 public function __construct(Portal $portal, $locale)
 {
     parent::__construct(sprintf('The locale "%s" could not be found in the portal "%s".', $locale, $portal->getKey()));
     $this->portal = $portal;
     $this->locale = $locale;
 }