From a5af1408d6f772a52382bdad9e79e93d54bb81f3 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Wed, 23 Nov 2022 10:47:51 -0500
Subject: [PATCH] Ward against the possible case that $actor is empty in
 ActivityPub\Processor::createItem

- Address https://github.com/friendica/friendica/issues/11993#issuecomment-1323273452
---
 src/Protocol/ActivityPub/Processor.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Protocol/ActivityPub/Processor.php b/src/Protocol/ActivityPub/Processor.php
index 98fed12a3..3f61fe8f1 100644
--- a/src/Protocol/ActivityPub/Processor.php
+++ b/src/Protocol/ActivityPub/Processor.php
@@ -431,7 +431,7 @@ class Processor
 			$item['owner-id'] = $item['author-id'];
 		} else {
 			$actor = APContact::getByURL($item['owner-link'], false);
-			$item['isForum'] = ($actor['type'] == 'Group');
+			$item['isForum'] = ($actor['type'] ?? 'Person') == 'Group';
 		}
 
 		$item['uri'] = $activity['id'];