From 5c9ce790bfb0da7dcfe7a8332613b63f6eb7fac9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roland=20H=C3=A4der?= <roland@mxchange.org>
Date: Thu, 16 Jun 2022 20:47:59 +0200
Subject: [PATCH] Fixed: - $object_data['actor'] can be null, but
 Receiver::getReceivers()'s 2nd   parameter expect it to be string

---
 src/Protocol/ActivityPub/Receiver.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Protocol/ActivityPub/Receiver.php b/src/Protocol/ActivityPub/Receiver.php
index fe16256f07..e8c9ac8f7b 100644
--- a/src/Protocol/ActivityPub/Receiver.php
+++ b/src/Protocol/ActivityPub/Receiver.php
@@ -1768,7 +1768,7 @@ class Receiver
 			$object_data['question'] = self::processQuestion($object);
 		}
 
-		$receiverdata = self::getReceivers($object, $object_data['actor'], $object_data['tags'], true);
+		$receiverdata = self::getReceivers($object, $object_data['actor'] ?? '', $object_data['tags'], true);
 		$receivers = $reception_types = [];
 		foreach ($receiverdata as $key => $data) {
 			$receivers[$key] = $data['uid'];