Error reference changederrors
Nearest release: v2.1.288, published 4 hours after 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 2 Oct 2026 13:32 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 2 Oct 2026 13:37 UTC.
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First seen
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Recorded edits137to this page, all time
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from line 227
227227| `The GitHub App preflight failed transiently (network or service hiccup) — retry in a moment to start from GitHub instead` | [Command-line errors](#the-github-app-preflight-failed-transiently) |
228228| `Not uploading this working tree` with `the upload cannot follow that setting` | [Command-line errors](#the-repository-upload-cant-follow-a-git-setting) |
229229| `GitHub isn't connected to your Claude account, so this repository can't be cloned in the cloud` | [Command-line errors](#github-isnt-connected-to-your-claude-account) |
230| `Your GitHub organization has an IP allowlist that is blocking Claude` | [Command-line errors](#a-github-organization-policy-is-blocking-claude) |
231| `Your GitHub organization requires single sign-on` | [Command-line errors](#a-github-organization-policy-is-blocking-claude) |
232| `Your GitHub organization's identity provider (Microsoft Entra ID) has a Conditional Access policy that is blocking Claude` | [Command-line errors](#a-github-organization-policy-is-blocking-claude) |
230233| `Single sign-on authorization needed` | [Command-line errors](#single-sign-on-authorization-needed) |
231234| `Failed to resume the conversation` | [Command-line errors](#failed-to-resume-the-conversation) |
232235| `No conversation found with session ID: <session-id>` | [Command-line errors](#no-conversation-found-with-the-session-id) |
from line 243
240243| `Skill usage reports are not available on this connection.` | [Command-line errors](#skill-usage-reports-are-not-available-on-this-connection) |
241244| `Custom output styles can't be selected over Remote Control or from a relayed message` | [Command-line errors](#custom-output-styles-cant-be-selected-over-remote-control) |
242245| `Output styles are saved to local settings (.claude/settings.local.json), which this session doesn't load` | [Command-line errors](#output-styles-are-saved-to-local-settings-which-this-session-doesnt-load) |
246| `/recap only runs when you ask for it yourself in this session` | [Command-line errors](#recap-only-runs-when-you-ask-for-it-yourself) |
243247| `` `plugin eval` is currently in early access `` / `` `plugin eval` is currently unavailable `` | [Plugin errors](#plugin-eval-is-currently-in-early-access) |
244248| `Marketplace "<name>" is registered from an untrusted source` | [Plugin errors](#marketplace-is-registered-from-an-untrusted-source) |
245249| `Claude Code refuses the marketplace name "<name>"` | [Plugin errors](#claude-code-refuses-the-marketplace-name) |
from line 267
263267| `"<plugin>" was not uninstalled: it is still switched on in <file>` | [Plugin errors](#plugin-was-not-uninstalled) |
264268| `"<plugin>" was not uninstalled: <file> is there and could not be read` | [Plugin errors](#plugin-was-not-uninstalled) |
265269| `Plugin "<plugin>" was not uninstalled: installed_plugins.json` | [Plugin troubleshooting](/docs/en/plugins/troubleshooting#installed-plugins-json-holds-a-record-this-version-cannot-read) |
270| `Error: No such tool available: <tool name>` | [Tool errors](#no-such-tool-available) |
266271| `would be spawned with zero tools — refusing` | [Tool errors](#agent-would-be-spawned-with-zero-tools) |
267272| `File is covered by a Read deny rule in your permission settings` | [Tool errors](#file-is-covered-by-a-read-deny-rule) |
268273| `cannot contain null bytes (\0)` | [Tool errors](#path-cannot-contain-null-bytes) |
from line 350
345350| `Unable to read managed policy settings` | [Configuration warnings](#unable-to-read-managed-policy-settings) |
346351| `otelHeadersHelper failed; telemetry is not being exported. See /status: ...` | [Configuration warnings](#otelheadershelper-failed) |
347352| `"crossSessionInbound" must be one of "accept", "hold", "refuse"` | [Configuration warnings](#crosssessioninbound-must-be-one-of-accept-hold-refuse) |
353| `API Error: ANTHROPIC_FOUNDRY_RESOURCE must be a Foundry resource name` | [Configuration warnings](#anthropic-foundry-resource-must-be-a-foundry-resource-name) |
348354| `headersHelper not run — this workspace has no persisted trust` | [Configuration warnings](#headershelper-not-run) |
349355| `Invalid permission rule "..." was skipped: Malformed Tool(content) rule` | [Configuration warnings](#malformed-tool-content-rule) |
350356| `... is not matched by file permission checks` | [Configuration warnings](#is-not-matched-by-file-permission-checks) |
from line 2248
22422248API Error: 400 ... tool_use.name: String should have at most 200 characters
22432249```
22442250
2245Claude Code cuts such a name to 200 characters when the response arrives and when it loads a saved conversation, so the call fails with an ordinary `No such tool available` tool error and the conversation continues without this API error.
2251Claude Code cuts such a name to 200 characters when the response arrives and when it loads a saved conversation, so the call fails with a [`No such tool available`](#no-such-tool-available) tool error and the conversation continues without this API error.
22462252
22472253**What to do:**
22482254
from line 2812
28062812 The `--json-schema` value is not a valid JSON Schema
28072813</h3>
28082814
2809The schema you passed to [`--json-schema`](/docs/en/cli-reference#cli-flags) in [non-interactive mode](/docs/en/headless#get-structured-output) failed JSON Schema compilation, so `claude` exits with code 1 instead of running the prompt. Before v2.1.205, an invalid schema produced unstructured output with no error, and any schema that used the `format` keyword was treated as invalid.
2810
2811```text theme={null}
2812Error: --json-schema is not a valid JSON Schema: data/type must be equal to one of the allowed values
2813```
2814
2815The text after the second colon is the validator's diagnostic and names the keyword or location that failed. Schemas that use the `format` keyword, such as `"format": "email"`, are valid: Claude Code accepts `format` as an annotation and doesn't enforce it.
2816
2817Claude Code runs two checks before schema compilation: it rejects a value that isn't parseable JSON with `Error: --json-schema is not valid JSON`, and valid JSON that isn't an object with `Error: --json-schema must be a JSON object`.
2818
2819**What to do:**
2820
2821* Fix the part of the schema the diagnostic names, then rerun the command
2822* See [Get structured output](/docs/en/headless#get-structured-output) for a working schema and command
2823
2824### Settings file exceeds the 2MiB limit
2825
2826The file y
2815The schema you passed to [`--json-schema`](/docs/en/cli-reference#cli-flags) in [non-interactive mode](/docs/en/headless#get-structured-output) failed JSON Schema compilation, so `claude` exits with code 1 instead of running the prompt. Before v2.1.205, an invalid schema produced unstructured output with no error, and any schema that used the `format` keyword was t
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