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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.288 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.288 ·

Attaching a file path now explains when a tool cannot read files

Claude Code has a new message saying a file path cannot be attached when the tool cannot read files in the session

You'll notice Improvements
JSON All of v2.1.288
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
AttachmentsArea: what it touches
ImprovementsKind: in v2.1.288,
ImprovementsSection of the release
What

Claude Code has a new error message: "A file path cannot be attached here: this tool cannot read files in this session."

Why

If you try to attach a file and see this message, the tool you are using has no access to files in that session.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear where in Claude Code this message appears.

See this entry in the whole of v2.1.288 →

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