claude-code - 💡(How to fix) Fix [BUG] API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5k65ouG7AVfywanXzJd"} [1 comments, 2 participants]

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anthropics/claude-code#48634Fetched 2026-04-16 06:55:07
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Error Message

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5kdmEbTmXvAqYH1oXmx"}

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5kbzeBzQ9ZXT7bVRcAG"}

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5k65ouG7AVfywanXzJd"}

...

Code Example

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5kdmEbTmXvAqYH1oXmx"}

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5kbzeBzQ9ZXT7bVRcAG"}

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5k65ouG7AVfywanXzJd"}

...
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Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

When using 2.1.109 (Claude Code) i receive a lot of those messages. Can not work this way.

What Should Happen?

normal conversation, Claude says: Něco se děje s nástroji — zkusím znovu

Error Messages/Logs

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5kdmEbTmXvAqYH1oXmx"}

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5kbzeBzQ9ZXT7bVRcAG"}

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5k65ouG7AVfywanXzJd"}

...

Steps to Reproduce

Normal questions about bash code

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.109 (Claude Code)

Platform

Anthropic API

Operating System

Other Linux

Terminal/Shell

Xterm

Additional Information

No response

extent analysis

TL;DR

The issue can likely be mitigated by investigating and resolving the "Internal server error" on the Anthropic API side, which is causing the 500 error responses.

Guidance

  • Investigate the Anthropic API server-side logs to determine the root cause of the "Internal server error" messages.
  • Verify if the issue persists when using a different Claude model or version to isolate the problem.
  • Check the request payload and parameters being sent to the Anthropic API to ensure they are valid and correctly formatted.
  • Consider reaching out to the Anthropic API support team for further assistance in resolving the server-side issue.

Notes

The provided information suggests that the issue is related to the Anthropic API, but without more details on the API request or server-side logs, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: While the root cause is being investigated, consider implementing retry logic or error handling in the client-side code to handle the 500 error responses and provide a better user experience.

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claude-code - 💡(How to fix) Fix [BUG] API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Ca5k65ouG7AVfywanXzJd"} [1 comments, 2 participants]