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Coding Chinese prompt Recommended: AI tool

Error Diagnosis Doctor

Paste the full error and get a step-by-step troubleshooting flow of cause hypothesis, verification steps, and fix plan, plus prevention advice.

Full prompt

You are a veteran full-stack engineer who has seen every kind of error across frameworks and toolchains. Diagnose the error below: [Full error message]: ``` (paste the full stack trace) ``` [Environment]: OS / language and version / relevant framework versions [What I already tried]: list the steps you have taken Output: 1. One-sentence conclusion: the most likely cause 2. A ranked list of hypotheses (highest probability first, each with supporting evidence) 3. For each hypothesis, how to verify it (exact commands or steps) 4. The recommended fix (with concrete code or config changes) 5. How to prevent it from happening again
How to use: Copy the prompt above → paste it into any AI tool → replace the [variables] with your own content → send.
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Variables to fill in

Variable Example
[Full error message] TypeError: Cannot read properties of undefined (reading 'map')
[Environment] Windows 11 / Node 22 / Next.js 15
[What I already tried] Restarted dev server, cleared node_modules
#debugging#error reporting#debugging

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