After changing filter options in settings this error came when viewing tickets.https://imgur.com/QW2HCKo$queue_key = sprintf('::%s', ObjectModel:); $queue_id = $queue_id ?: @$_GET ?: $_SESSION ?: $cfg->getDefaultTicketQueueId(); // Recover advanced search, if requested if (isset($_SESSION) && strpos($queue_id, 'adhoc') === 0 ) { list(,$key) = explode(',', $queue_id, 2); // For queue=queue, use the most recent search if (!$key) { reset($_SESSION); $key = key($_SESSION); } // XXX: De-duplicate and simplify this code $queue = new AdhocSearch(array( 'id' => "adhoc,$key", 'root' => 'T', )); $queue->config = $_SESSION; } // Make the current queue sticky $_SESSION = $queue_id; if ((int) $queue_id && !$queue) { $queue = CustomQueue:($queue_id); } if (!$queue) { $queue = CustomQueue:($cfg->getDefaultTicketQueueId()); } // Set the queue_id for navigation to turn a top-level item bold $_REQUEST = $queue->getId();(Yelow line is line 121)How to solve this error.I tried reïnstalling OsTicket and restored backups.