Cannot create adjustments for a transaction with a missing customer_id

{
  "error": {
    "type": "request_error",
    "code": "adjustment_transaction_missing_customer_id",
    "detail": "Cannot create adjustments for a transaction that doesn't have a Customer.",
    "documentation_url": "https://developer.paddle.com/errors/adjustments/adjustment_transaction_missing_customer_id"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}

Details

Status code

400

Error code

adjustment_transaction_missing_customer_id

Error message

Cannot create adjustments for a transaction that doesn't have a Customer.

Common causes

• The transaction to be adjusted needs to be at least in a billed status.
• You may have provided the wrong transaction_id for the adjustment.

Troubleshooting

• Verify the transaction has the customer_id.