[BUG] API Error500

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?

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CXmPEnrV5B6xsTNUfkJBs"}

What Should Happen?

API error on usage

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CXmPEnrV5B6xsTNUfkJBs"}

Error Messages/Logs

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CXmPEnrV5B6xsTNUfkJBs"}

Steps to Reproduce

API Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011CXmPEnrV5B6xsTNUfkJBs"}

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

21.1.29

Claude Code Version

21.1.29

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Other

Additional Information

_No response_