[BUG] API Error: Sonnet 5.5's safeguards flagged this message

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?

My prompt:
❯ Why couldn't you find the triage skill?

Response:
● Sonnet 5.5's safeguards stopped the response above · continuing once with that noted

● API Error: Sonnet 5.5's safeguards flagged this message (https://www.anthropic.com/legal/aup). This sometimes happens with safe, normal conversations. Claude Code can't respond to this message with Sonnet 5.5.

Double press esc to edit your last message, or try a different model with /model.

Send feedback with /feedback or learn more: https://support.claude.com/en/articles/8106465

Details: [reasoning_extraction]

What Should Happen?

The model should tell me why I couldn't find a skill that I knew with certainty was available. How am I supposed to make progress when the model makes such a simple error and can't explain what I need to do to try to keep that from happening in the future?

Error Messages/Logs

Steps to Reproduce

❯ Why couldn't you find the triage skill?

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.296

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_