I have written the events with schedule to run every hour But it throw error ``` TypeError: Cannot assign true to property CodeIgniter\Tasks\TaskLog::$output of type ?string ``` ```php public static function sent_unqueue_mail() { $repo = new SQLEmail_listRepository(); $data = $repo->getUnQueueJobs(); $totalJob = 0; if (is_array($data) && count($data)) { $eLib = new \Mail\Libraries\Email(); foreach ($data as $k => $v) { try { $eLib->send($v); $totalJob++; } catch (\Exception $e) { log_message('error', "Failed to send email for job $k: " . $e->getMessage()); } } } log_message('info', "Sent Unqueue Completed $totalJob"); return ["Sent Unqueue Completed"]; } ``` I assigned events ```php Events::on('sent_unqueue_mail', '\Mail\Events\EventsMail::sent_unqueue_mail'); ``` please help me to resolve this issues