The appointment is waiting for its saved-card authorization before payment can be captured. A scheduled authorization may not have run yet, or the current authorization may still be processing.
{ "type": "https://docs.guile.app/problems/paymentAuthorizationPending", "title": "Payment Authorization Pending", "status": 409, "detail": "The appointment is waiting for its saved-card authorization before payment can be captured. A scheduled authorization..."}