learned about error handling the embarrassing way 🙏

built invoice workflow. tested thoroughly. deployed.

day 3: broke silently. client discovered it before i did.

THE PROBLEM

gmail auth expired. n8n workflow just stopped. no alerts. no retries.

client: "why aren't invoices processing?"

me: "let me check..." (panicking)

THE FIX

added error handling nodes:

- try/catch around extraction

- retry logic with delays

- slack webhook when fails

- route failures to review queue

took 20 minutes to add

now when things break i know immediately. client never notices.

what error handling do you build in from the start?

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