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# A pocket guide to Error Tracking

Canonical URL: https://posthog.com/learn/error-tracking/pocket-guide

Twig's engineers are building a vacation rental marketplace. They want to know when uncaught exceptions are breaking the experience for their customers.

Error Tracking captures exceptions in Twig's code as exception events in PostHog. This gives them queryable stack traces and lets them analyze the exceptions along with other PostHog data, so they can triage and prioritize.

By the end of this pocket guide, you should know how to capture, query, act on, and self-drive fixes for exceptions in your app.

[Pocket guide to: Error Tracking](https://posthog.com/learn/error-tracking/pocket-guide/101.md)