Customer isn't valid for this collection mode

{
  "error": {
    "type": "request_error",
    "code": "transaction_customer_not_suitable_for_collection_mode",
    "detail": "Customer entity must be suitable for the transactions current collection mode",
    "documentation_url": "https://developer.paddle.com/errors/transactions/transaction_customer_not_suitable_for_collection_mode"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}