[BUG] API Error 529 Overloaded - Opus 4.6

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?

Claude code wont initialize, using v2.1.158

What Should Happen?

Claude should start normally.

Error Messages/Logs

API Error: 529 Overloaded. This is a server-side issue, usually temporary — try again in a moment. If it persists,
     check https://status.claude.com.

Steps to Reproduce

do claude, start any task, overloaded message appears.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.158

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_