401 Unauthorized

http

HTTP/1.1 401 Unauthorized
WWW-Authenticate: Bearer

Explanation

401 means the client needs valid authentication. It is not the same as lacking permission.

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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Client and server errors

Malformed request syntax or invalid shape.

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Authenticated but not allowed to perform the action.

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The resource does not exist.

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Request conflicts with current resource state.

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Optimistic concurrency guard failed.

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Well-formed request but semantic validation failed.

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