[Bug] Requests consistently flagged as policy violation with Claude Fable 5

Open 💬 0 comments Opened Jul 11, 2026 by GLARKI

Bug Description
My request consistantly get flagged and therefore I can't use fable 5. However, I'm writing about XR in healthcare and using my own git. I see nothing that could cause this, it's a pitty because i really wanted to make the best of my time with Claude Fabel 5 for the short time we have access and explore how good it is.

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 2.1.207
  • Feedback ID: 2add9480-8710-4c76-8feb-3c10f7c66088

Errors

[]

'⏺ API Error: Fable 5's safeguards flagged this message (https://www.anthropic.com/legal/aup). They may flag safe, normal content as well. These measures let us bring you Mythos-level capabilities sooner, and we're working to refine them. Claude Code can't respond to this
request with Fable 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/15363606'

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