# New items not valid in subscription update

The new items requested to be added are not valid when updating this subscription.

---

## Example

```json
{
  "error": {
    "type": "request_error",
    "code": "subscription_new_items_not_valid",
    "detail": "the new items are not valid for updating this subscription",
    "documentation_url": "https://developer.paddle.com/errors/subscriptions/subscription_new_items_not_valid"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}
```

## Details

| Attribute | Value |
| --- | --- |
| Status code | 400 |
| Error code | `subscription_new_items_not_valid` |
| Error message | the new items are not valid for updating this subscription |

## Common causes

- One or more of the items that you're trying to add isn't valid.

## Common solutions

- See individual `errors` to troubleshoot.