[Bug] Anthropic API Error: Content Policy Flag with Model Fallback to Opus

Bug Description
I need to check and fix my system problem. Why does this keep happening?
This model has measures that flagged something in this session. This sometimes happens with safe, normal conversations. These measures let us bring you Mythos-level capability in other areas sooner, and we're working to refine them. Switched to Opus 4.8. Send feedback with /feedback or learn more

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.173
• Feedback ID: ca898603-2f8f-4dab-a914-3288df205be0

Errors

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