Error reference changederrors
Nearest release: v2.1.242, published under an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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Recorded edits190to this page, all time
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11391139```text theme={null}
11401140Unable to connect to API: SSL certificate verification failed. Check your proxy or corporate SSL certificates
1141Unable to connect to API: Self-signed certificate detected
1141Unable to connect to API: Self-signed certificate detected. Check your proxy or corporate SSL certificates
11421142```
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11441144As of v2.1.199, a certificate validation failure isn't retried, so this error appears on the first attempt instead of after the full [retry budget](#automatic-retries). Earlier versions spent a few minutes retrying before showing it. Transient TLS conditions, such as a handshake timeout, still retry.
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25422542Claude Code enforces the 200K limit on its own for every model it recognizes as having a native 1M window, and for model IDs it doesn't recognize it compacts at the window it assumes. The warning appears when other configuration defeats that enforcement:
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25442544* The model ID isn't one Claude Code recognizes, such as an [LLM gateway](/docs/en/llm-gateway) alias, and you set [`CLAUDE_CODE_DISABLE_UNKNOWN_MODEL_WINDOW_ENFORCEMENT=1`](/docs/en/env-vars) or raised the assumed window past 200K with [`CLAUDE_CODE_MAX_CONTEXT_TOKENS`](/docs/en/env-vars). In this case the message also offers `or update to a Claude Code version that recognizes <model>` as a remedy.
2545* A `context-1m` beta requested through [`ANTHROPIC_BETAS`](/docs/en/env-vars) or the [`--betas`](/docs/en/cli-reference#cli-flags) flag still asks the API for the 1M window on a model that accepts that beta, whi
2545* A `context-1m` beta requested through [`ANTHROPIC_BETAS`](/docs/en/env-vars) or the [`--betas`](/docs/en/cli-reference#cli-flags) flag still asks the API for the
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