- throw new HTTPException\NotFoundException($this->t('Unfortunately, the requested conversation isn\'t available to you.</p>
-<p>Possible reasons include:</p>
-<ul>
- <li>The top-level post isn\'t visible.</li>
- <li>The top-level post was deleted.</li>
- <li>The node has blocked the top-level author or the author of the shared post.</li>
- <li>You have ignored or blocked the top-level author or the author of the shared post.</li>
-</ul><p>'));
+ $displayNotFound = new DisplayNotFound($this->l10n, $this->baseUrl, $this->args, $this->logger, $this->profiler, $this->response, $this->server, $this->parameters);
+ return $displayNotFound->content();