public function getErrorMetadata()
	{
		try
		{
			$metadata = \Sifo\Config::getInstance()->getConfig( 'lang/metadata_' . $this->getParam( 'lang' ) );
		}
		catch ( Exception_Configuration $e )
		{
			$metadata = \Sifo\Config::getInstance()->getConfig( 'lang/metadata_en_US' );
		}

		$error_code = $this->getParam( 'code' );

		return ( isset( $metadata[$error_code] ) ) ? $metadata[$error_code] : false;
	}