conflict

Returned as application/problem+json with code conflict and HTTP status 409.

The request cannot be applied because it conflicts with the resource’s current state.

Common causes

• Creating a duplicate resource.
• A state transition that is not valid from the current state (e.g. archiving mail that is already archived).
• A concurrent modification.

How to resolve

• Re-fetch the resource to see its current state, then retry the appropriate action.

Example

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{
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  "type": "https://docs.usglobalmail.com/api/problems/conflict",
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  "title": "The request conflicts with the current state of the resource.",
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  "status": 409,
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  "code": "conflict",
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  "request_id": "req_8f3c2a1b9d",
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  "instance": "/v1/mails"
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}