[Bug] Anthropic API Error: Unexpected model version reference in error message
Status Open
Reported on v2.1.220
Maintainer reply None cached
Activity 0 comments · opened Jul 29, 2026
Bug Description
⏺ API Error: Opus 4.8 can't help with this. Start a new session to
continue.
Send feedback with /feedback or learn more:
https://www.anthropic.com/legal/aup
Request ID: req_011CdVSPpUphLteBukX3t9YT
Not sure what happened here at all. I'm on Sonnet 5 now so don't understand why there's a Opus 4.8 reference at all.
Environment Info
- Platform: darwin
- Terminal: iTerm.app
- Version: 2.1.220
- Feedback ID: d80a0357-28d0-47da-a7c1-13909657812d
Errors
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