[BUG] Session ended unexpectedly error in Cowork. Nothing is working

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?

Cowork is not working. For everything it says:
The session ended unexpectedly. Please try again.
You can restart the conversation from an earlier message.

I have cleared the cache, uninstalled/reinstalled, and restarted claude desktop app several times. But no fix.

What Should Happen?

Make cowork function

Error Messages/Logs

The session ended unexpectedly. Please try again.
You can restart the conversation from an earlier message.

Steps to Reproduce

Cowork doesn't work

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude 1.3109.0

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_