What to do when the automation you paid for stops working
These are the failures we get called about. Each write-up carries a real execution trace, the causes ranked by how often we find them, a workflow file you can import to catch it next time, and the price if you would rather hand it over.
My automation stopped working: how to find what changed
My automation stopped working and nobody touched it. The triage order we use on dead n8n workflows, with real execution output and status codes.
n8n
Updated
Includes a workflow file
Workflow runs but nothing happens: find the silent failure
Your workflow runs but nothing happens, no error anywhere, just green ticks. How to read item counts in n8n, where records vanish, and what a repair costs.
n8n
Updated
Includes a workflow file
OAuth stopped working after weeks: token expiry, traced and fixed
OAuth stopped working after weeks and nobody touched a thing. Real 401 and 403 traces, token lifetimes by provider, and a monitor workflow you can import.
Any platform
Updated
Includes a workflow file
AI agent not calling tools: read the n8n trace before you fix it
AI agent not calling tools, or calling them and ignoring the answer. Two real n8n traces, five causes worth checking, and a trace harness you can import.
n8n
Updated
Includes a workflow file
Voice agent books the wrong time: timezones, DST and double bookings
A booking agent that puts appointments an hour out, or two callers in one slot. The four causes with real traces, and the DST dates that break them.
Any platform
Updated
Includes a workflow file
Chatbot goes off script: leaked prompts, invented discounts, and how to stop it
A support bot that printed its instructions, promised a discount nobody authorised, or agreed the product is broken. Four routes in, with real traces.
Any platform
Updated
Includes a workflow file
Make scenario burning operations: where they go and how to stop paying for them
A Make plan that empties before the month does. The five patterns that spend operations invisibly, what each costs, and a monitor that forecasts the bill.
Make
Updated
Includes a workflow file
RAG assistant answering from old documents: stale indexes, orphans and drift
An assistant quoting a policy you withdrew months ago. The four ways an index falls behind its source, how to tell them apart, and how to catch drift.
Any platform
Updated
Includes a workflow file
Your symptom is not on this list
Send the execution log and a sentence about what should have happened. We read it and reply with what we think broke.