[BUG] Claude Code process exited with code 1 - happening with cowork on Desktop

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?

When I try to do anything in Cowork I get this error.
Using claude on the command line works fine.

What Should Happen?

It should not error.

Error Messages/Logs

Claude Code process exited with code 1

Steps to Reproduce

Try to do anything in Cowork in Claude on Mac.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude 1.3036.0 (cf521c) 2026-04-16T16:17:33.000Z

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

_No response_