Error reference changederrors
Upstream edited this page at 25 Oct 2026 14:22 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 25 Oct 2026 14:37 UTC.
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323323| `Cannot read this as an image: <path> is a pipe or a device` | [Tool errors](#file-is-too-large-to-read-as-an-image) |
324324| `subagent_type is required: the general-purpose agent is not available in this session` | [Tool errors](#subagent-type-is-required) |
325325| `Error: this write left the memory index at MEMORY.md at ..., over its ... read limit` | [Tool errors](#memory-index-is-over-its-read-limit) |
326| `Sandbox is required but failed to initialize: <reason>` | [Sandboxing troubleshooting](https://code.claude.com/docs/en/sandboxing.md#commands-refused-with-sandbox-is-required) |
327| `Sandbox is required (sandbox.failIfUnavailable) and stopped being available in this session: <reason>` | [Sandboxing troubleshooting](https://code.claude.com/docs/en/sandboxing.md#commands-refused-with-sandbox-is-required) |
326328| `pkill: refusing to run` | [Tool errors](#pkill-pattern-matches-the-claude-code-process) |
327329| `Failed to write to <name>'s inbox — nothing was sent` | [Tool errors](#failed-to-write-to-a-teammate-inbox) |
328330| `Failed to write the plan approval request to the lead's inbox — plan not submitted` | [Tool errors](#failed-to-write-to-a-teammate-inbox) |
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25212523**What to do:**
25222524
25232525* **Interactive CLI**: run `/model` to pick from models available to your account.
2524* **Non-interactive mode (`-p`)**: pass `--model` with a valid alias or ID, or set [`ANTHROPIC_MODEL`](https://code.claude.com/docs/en/env-vars). The error text shows `Run --model` on this surface.
2525* **Agent SDK**: the error text omits the hint because the model is set programmatically. Set [`model` on `Options`](https://code.claude.com/docs/en/agent-sdk/typescript#options) in TypeScript or [`ClaudeAgentOptions(model=...)`](https://code.claude.com/docs
2526* **Non-interactive mode (`-p`)**: pass `--mode
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