Fixed Call to a member function toApiResult() on null - src/XF/Api/Controller/Thread.php:88

Lukas W.

Well-known member
Affected version
Running into this issue quite a lot. Looks like the controller is throwing that if the last post of a thread happens to be the only unread post as well as being ignored:

if ($thread->isUnread())
   /** @var \XF\Entity\Post $firstUnread */
   $firstUnread = $this->getPostRepo()
      ->findNextPostsInThread($thread, $thread->getVisitorReadDate())

   $result['first_unread'] = $firstUnread->toApiResult();

Probably either need to return the post even if it's ignored, or remove the first_unread result from the response.
Thank you for reporting this issue, it has now been resolved. We are aiming to include any changes that have been made in a future XF release (2.2.6).

Change log:
Do not attempt to include a first_unread post in the API when the only unread posts in a thread are ignored.
There may be a delay before changes are rolled out to the XenForo Community.
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