No seats available

What it means

The request conflicts with the resource’s current state.

Example detail messages returned with this error:

• No seats available. Raise the seat cap (PUT /seat-cap) or enable seat overage.
• No seats available. Raise the seat cap or enable seat overage.

What to do

All contracted seats are in use. Add seats or enable seat overage in Org admin -> Billing.

Response shape

All fremforge API errors are RFC 9457 problem+json:

{
  "type": "https://docs.frem.sh/reference/api/errors/no-seats-available",
  "title": "Conflict",
  "status": 409,
  "detail": "..."
}

Branch on type, not on title or detail - those are human-readable and may be reworded.