API error type

Concurrent session limit reached

HTTP 429 · https://errors.driftstack.dev/concurrency-limit

What it means

Your tier allows N simultaneous sessions and they are all in use; creating another would exceed the cap.

How to fix it

Destroy an idle session, wait for one to finish, or upgrade to a tier with a higher concurrent cap. The error body carries `current_sessions` and `limit`.

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.