[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

[]

View original on GitHub ↗