Error reference changederrors
Nearest release: v2.1.311, published an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 26 Oct 2026 21:29 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 26 Oct 2026 21:37 UTC.
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### MCP server rejected the elicitation capability
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240240| `MCP server "<name>" was not saved to` / `was not removed from` | [Command-line errors](#mcp-server-was-not-saved-or-removed) |
241241| `MCP server "<name>" may not have been saved` / `may not have been removed` | [Command-line errors](#mcp-server-may-not-have-been-saved-or-removed) |
242242| `Server rejected the Authorization header minted by the configured headersHelper` | [Command-line errors](#server-rejected-the-authorization-header-minted-by-the-configured-headershelper) |
243| `This server (Java MCP SDK 0.17.0 or older) rejected Claude Code's elicitation capability` | [Command-line errors](#mcp-server-rejected-the-elicitation-capability) |
243244| `Error: MCP tool <name> (passed via --permission-prompt-tool) not found` | [Command-line errors](#mcp-permission-prompt-tool-not-found) |
244245| `OAuth callback port <port> is already in use — another process may be holding it` | [Command-line errors](#oauth-callback-port-is-already-in-use) |
245246| `No available ports for OAuth redirect` | [Command-line errors](#no-available-ports-for-oauth-redirect) |
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25172518The configured model name was not recognized or your account lacks access to it. As of v2.1.160 the trailing hint, shown here in its interactive form, varies by surface.
25182519
25192520```text theme={null}
2520There's an issue with the selected model (claude-...). It may not exist or you may not have access to it. Run /model to pick a different model.
2521```
2522
2523**What to do:**
2524
2525* **Interactive CLI**: run `/model` to pick from models available to your account.
2526* **Non-interactive mode (`-p`)**: pass `--mode
2521There's an issue with the selected model (claude-...). It may not exist or you may not have access to it. Run /model to pick a d
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