# Proration billing mode not accepted on paused subscription

`do_not_bill` is the only valid `proration_billing_mode` for paused subscriptions.

---

## Example

```json
{
  "error": {
    "type": "request_error",
    "code": "subscription_incorrect_proration_on_paused_subscription",
    "detail": "`proration_billing_mode` must be set to `do_not_bill` when updating a paused subscription",
    "documentation_url": "https://developer.paddle.com/errors/subscriptions/subscription_incorrect_proration_on_paused_subscription"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}
```

## Details

| Attribute | Value |
| --- | --- |
| Status code | 400 |
| Error code | `subscription_incorrect_proration_on_paused_subscription` |
| Error message | `proration_billing_mode` must be set to `do_not_bill` when updating a paused subscription |

## Common causes

- You have attempted to send a proration value other than do_not_bill when updating a paused subscription

## Common solutions

- Use the `proration_billing_mode` of `do_not_bill` when updating the paused subscription