---
title: "Troubleshooting"
description: "Learn how to troubleshoot your Cron Monitoring setup."
url: https://docs.sentry.io/platforms/javascript/guides/tanstackstart-react/crons/troubleshooting/
---

# Troubleshooting | Sentry for TanStack Start React

What is the crons data retention policy for check-ins?

Our current data retention policy is 90 days.

Do you support a monitor schedule with a six-field crontab expression?

Currently, we only support crontab expressions with five fields.