Ticket #2529: 2529.06.patch

src/includes/replies/functions.php

@@ -928 +928 @@
                 // Get the topic ID if none was passed
                 if ( empty( $topic_id ) ) {
                         $topic_id = bbp_get_reply_topic_id( $reply_id );
+
+                        // Make every effort to get topic id
+                        if ( empty( $topic_id ) && 'bbp_deleted_reply' === current_action() ) {
+                                $topic_id = get_post_field( 'post_parent', $reply_id );
+                        }
                 }
 
                 // Get the forum ID if none was passed