Issue #3198823 by calebtr, JKingsnorth, cboyden:...

        throw new MediaInternetValidationException("The YouTube video ID is invalid, video was deleted or is disabled for embedding. Error: {$error_data}");

      }

    }

    elseif ($response->code == 401) {

      $message = t("There was an error, please check the video settings. Embedding, and playback on other websites, may have been disabled by the video owner. (Error: @code, @error)", ['@code' => $response->code, '@error' => $response->error]);

      throw new MediaInternetValidationException($message);

    }

    elseif ($response->code == 403) {

      $message = t("There was an error, please check the video settings. The video may be private, disabled or unavailable. (Error: @code, @error)", ['@code' => $response->code, '@error' => $response->error]);

      throw new MediaInternetValidationException($message);

    }

    else {

      throw new Exception("Error Processing Request. (Error: {$response->code}, {$response->error})");

      $message = t("There was an error with this YouTube video. Please check the URL and video settings and try again. (Error: @code, @error)", ['@code' => $response->code, '@error' => $response->error]);

      throw new MediaInternetValidationException($message);

    }

  }

}