API error type
Conflict
HTTP 409 · https://errors.driftstack.dev/conflict
What it means
The operation conflicts with the resource’s current state — e.g. acting on a session that has already ended.
How to fix it
Fetch the resource’s current state, then decide whether the operation still applies.
Where it appears
In the type field of the RFC 9457 application/problem+json error body, alongside title, status, detail, and an instance correlation id.