Check if $message returns false

Released under the GNU Affero General Public License (AGPL), version 3.
Z-Hub · May 17, 2023 · d76a9ab · d76a9ab
1 parent ffad63a
commit d76a9ab
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/lib/default/diffbackend/exportchangesdiff.php b/src/lib/default/diffbackend/exportchangesdiff.php
@@ -160,7 +160,8 @@ public function Synchronize() {
                         $message = $this->backend->GetMessage($this->folderid, $change["id"], $this->contentparameters);
 
                         // copy the flag to the message
-                        $message->flags = (isset($change["flags"])) ? $change["flags"] : 0;
+                        if($message)
+                            $message->flags = (isset($change["flags"])) ? $change["flags"] : 0;
 
                         if($stat && $message) {
                             if($this->flags & BACKEND_DISCARD_DATA || $this->importer->ImportMessageChange($change["id"], $message) == true)