Subscription pending refund

{
  "error": {
    "type": "request_error",
    "code": "subscription_outstanding_pending_refund",
    "detail": "You are unable to make further changes to this subscription while there is a pending refund request",
    "documentation_url": "https://developer.paddle.com/errors/subscriptions/subscription_outstanding_pending_refund"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}