[Bug] Claude Opus 5.5 model unavailable or session terminated on basic input
Status Open
Reported on v2.1.280
Maintainer reply None cached
Activity 0 comments · opened Sep 24, 2026
Bug Description
i can't use opus 5.5 for codding, a simple "oi" (hi, in portuguese) flags the session and stop the use
Environment Info
- Platform: darwin
- Terminal: WarpTerminal
- Version: 2.1.280
- Feedback ID: 12953b10-c0e5-4eab-a7a9-c9537aa3fd33
Errors
API Error: Opus 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 Opus 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]`