[BUG] -- receiving error that screenshot can't be received by claude code

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?

<img width="704" height="469" alt="Image" src="https://github.com/user-attachments/assets/d9470498-5223-45ab-97fd-4b0be8886f40" />

What Should Happen?

Error happened with Claude Code Sonnet 4.6

Error Messages/Logs

Steps to Reproduce

1. use snip tool via lenovo computer (firefox browser) - gitpages website connected to github and claude code via web. snip screenshot. copy past streanshot into area. I had a prompt with it. It kept producing an error with numbers.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

sonnet 4.6

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_