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  3. Working with your AI agent
  4. · 4 minutes · Pro

'Fixed!' for the fourth time

Your AI has said 'Fixed!' four times. The bug is still there, login now fails too, and you have spent the afternoon's credits.

This answers: What if the AI keeps failing to fix a bug? No coding needed. 3 quick decisions.

  • Supervising your AI
  • Debugging without panic

Checking your access…

What if the AI keeps failing to fix a bug?

Stop patching forward. Roll back to the last version that worked, ask the AI to reproduce the bug and show the exact error before changing anything, then fix one cause at a time and re-run the failing steps yourself. A clear explanation is not proof that a fix works.

Trail of the bug
  1. AI agent
  2. Your server
  3. Browser

Breaks at AI agent: Guessing instead of reproducing

Why AI tools write this bug

Each new attempt builds on the previous broken changes, and the AI optimises for sounding confident, so a loop can continue long after it stopped making progress.

How to fix it

  1. Roll back to the last working version.

3 more steps, and a prompt that checks your own app for this bug. Part of Pro.

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Common questions

Why does each AI fix break something else?
Without a confirmed cause, each change is a guess layered on earlier guesses. Rolling back clears the pile.

Related scenarios

  • 48 green testsPro · 4 min
  • The 3,000-line filePro · 5 min
  • The commit that broke checkoutPro · 5 min

More on this trail

Working with your AI agent: Dangerous commands, fix loops, deleted tests, prompt injection and invented packages.

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3 decisions, about 4 minutes, and a prompt to check your own app for the same problem.

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How to fix it

  1. Roll back to the last working version.

3 more steps, and a prompt that checks your own app for this bug. Part of Pro.

Unlock