[BUG] undefined is not an object (evaluating 'T.data.length')

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?

call tool-call with undefined is not an object (evaluating 'T.data.length')

What Should Happen?

tool-call

Error Messages/Logs

Steps to Reproduce

writing normal codes

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.169 2.1.153

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_