NotificationChannels\Telegram\Exceptions\CouldNotSendNotification: Telegram responded with an error 400 - Bad Request: chat not found

[sentry-io]

Sentry Issue: STAGING-APP-6

GuzzleHttp\Exception\ClientException: Client error: `POST https://api.telegram.org/bot393828013:AAEae8whNPAHi2EIyRmssVY51XQqsV7o_3M/sendMessage` resulted in a `400 Bad Request` response:
{"ok":false,"error_code":400,"description":"Bad Request: chat not found"}

  File "/app/Domains/Contact/ManageReminders/Jobs/ProcessScheduledContactReminders.php", line 50, in App\Domains\Contact\ManageReminders\Jobs\ProcessScheduledContactReminders::handle
    ->notify(new ReminderTriggered($channel, $contactReminder->label, $contactName));
  File "/artisan", line 37
    new Symfony\Component\Console\Output\ConsoleOutput
...
(53 additional frame(s) were not displayed)

NotificationChannels\Telegram\Exceptions\CouldNotSendNotification: Telegram responded with an error `400 - Bad Request: chat not found`
  File "/app/Domains/Contact/ManageReminders/Jobs/ProcessScheduledContactReminders.php", line 50, in App\Domains\Contact\ManageReminders\Jobs\ProcessScheduledContactReminders::handle
    ->notify(new ReminderTriggered($channel, $contactReminder->label, $contactName));
  File "/artisan", line 37
    new Symfony\Component\Console\Output\ConsoleOutput
...
(42 additional frame(s) were not displayed)