[Bug] Fable 5 Model Safeguards Overly Flagging Legitimate Coding Tasks

Status Closed — not planned
Reported on v2.1.227
Maintainer reply None cached
Activity 1 comment · opened Aug 13, 2026 · closed Sep 11, 2026

Bug Description
i am seeing this msgs ● Fable 5's safeguards flagged this message. Our intentionally broad safeguards allow us to deliver more capabilities faster, but can sometimes flag legitimate coding, cybersecurity, and biology tasks. Switched to Opus 4.8. Send feedback with /feedback or learn more: https://support.claude.com/en/articles/15363606 not sure why.

Environment Info

  • Platform: win32
  • Terminal: null
  • Version: 2.1.227
  • Feedback ID: ed55c703-3f2b-49a4-ae32-baf6a490a0ec

Errors

[{"error":"TelemetrySafeError: VirtualMessageList: itemKeys/messages length desync (keys=212 messages=211 range=[128,212))\n    at jjE (B:/~BUN/root/src/entrypoints/cli.js:23325:8179)\n    at Bkm (B:/~BUN/root/src/entrypoints/cli.js:23325:1103)\n    at ti (B:/~BUN/root/src/entrypoints/cli.js:2577:21360)\n    at Au (B:/~BUN/root/src/entrypoints/cli.js:2577:40453)\n    at Q6 (B:/~BUN/root/src/entrypoints/cli.js:2577:51374)\n    at Dye (B:/~BUN/root/src/entrypoints/cli.js:2577:89044)\n    at Pye (B:/~BUN/root/src/entrypoints/cli.js:2577:87995)\n    at Eue (B:/~BUN/root/src/entrypoints/cli.js:2577:87814)\n    at fv (B:/~BUN/root/src/entrypoints/cli.js:2577:84079)\n    at bt (B:/~BUN/root/src/entrypoints/cli.js:2577:6660)","timestamp":"2026-08-12T08:08:17.878Z"}]

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