Ticket #2322: 2322.01.patch

src/includes/topics/functions.php

@@ -1031 +1031 @@
         $old_forum_id = bbp_get_forum_id( $old_forum_id );
         $new_forum_id = bbp_get_forum_id( $new_forum_id );
 
+        bbp_clean_post_cache( $old_forum_id );
+        bbp_clean_post_cache( $new_forum_id );
+
         // Update topic forum's ID
         bbp_update_topic_forum_id( $topic_id, $new_forum_id );