### Preflight Checklist - [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) and this hasn't been reported yet - [x] This is a single bug report (please file separate reports for different bugs) - [x] I am using the latest version of Claude Code ### What's Wrong? overloaded 529 ### What Should Happen? analyse files... ### Error Messages/Logs ```shell API Error: 529 {"type":"error","error":{"type":"overloaded_er

API Error: 529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded.

Status Open

Reported on v2.1.85

Maintainer reply None cached

Activity 7 comments · opened Mar 27, 2026

Preflight Checklist

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

What's Wrong?

overloaded 529

What Should Happen?

analyse files...

Error Messages/Logs

API Error: 529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded.
https://docs.claude.com/en/api/errors"},"request_id":"req_011CZTEFvft13DajMTp9pp64"}

Steps to Reproduce

analyse files...

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.85

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_

View original on GitHub ↗

7 Comments

github-actions[bot] · 5 months ago

Found 3 possible duplicate issues:

This issue will be automatically closed as a duplicate in 3 days.

If your issue is a duplicate, please close it and 👍 the existing issue instead
To prevent auto-closure, add a comment or 👎 this comment

🤖 Generated with Claude Code

spacewalk01 · 5 months ago

same problem :

API Error: 529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded. https://docs.claude.com/en/api/errors"},"request_id":"req_011CZTL4nhJHacjs381KS9GM"}

spacewalk01 · 5 months ago

Changing to Sonnet 4.6 from Opus 4.6 works :(

Nahasma · 5 months ago

same trouble，esc to interrupt and continue can works.

maybe server error？

TimVanLeemput · 5 months ago

Same issue here :

  ⎿  529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded. 
     https://docs.claude.com/en/api/errors"},"request_id":"req_011CZTQL89xucjMCRPXLWAQT"}
     Retrying in 18 seconds… (attempt 7/10)

Switching to Sonnet 4.6 fixes it

iot-with-vsr · 5 months ago

There is some error with the Opus 4.6 model. Visit https://status.claude.com/

Procisz · 5 months ago

Same problem here.
<img width="951" height="360" alt="Image" src="https://github.com/user-attachments/assets/f4308553-bd76-4c49-acad-a93476f544d9" />