LEASE_INVALID

The lease did not verify.

HTTP status	403
Group	Relay path
Retryable	No — sending it again changes nothing
Re-sign	NONE — do not ask the user to sign anything

What happened

Its MAC does not match, or it was minted with a key id this host does not know.

What to do

Request a fresh assignment. Never edit a lease; it is opaque.

The problem document

Every error is application/problem+json (RFC 9457) with the same shape:

{
  "type": "https://docs.co-relayer.com/errors/lease-invalid",
  "title": "The lease did not verify.",
  "status": 403,
  "detail": "A sentence about this specific occurrence.",
  "instance": "req_01JB…",
  "code": "LEASE_INVALID",
  "retryable": false,
  "resign": "NONE",
  "hint": "Request a fresh assignment. Never edit a lease; it is opaque."
}

See the error model for what each member means and how to handle unknown codes.