[Bug] Anthropic API Error: Message flagged by safeguards with Opus 5.5 (1M context)
Status Open
Reported on v2.1.280
Maintainer reply None cached
Activity 0 comments · opened Sep 22, 2026
Bug Description
''API Error: Opus 5.5 (1M context)'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 (1M
context).
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]
Request ID: req_011CfK4MbbxKVVV7tvqfR7X1''
Environment Info
- Platform: darwin
- Terminal: WarpTerminal
- Version: 2.1.280
- Feedback ID: df01acc8-e80e-4fa6-ba51-23fb2aeb0e7f
Errors
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