# Quantity field missing for new items in subscription update

When adding new items the quantity field must be included for each item.

---

## Example

```json
{
  "error": {
    "type": "request_error",
    "code": "subscription_quantity_missing_for_new_items",
    "detail": "the quantity field must be included for each new item to be added",
    "documentation_url": "https://developer.paddle.com/errors/subscriptions/subscription_quantity_missing_for_new_items"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}
```

## Details

| Attribute | Value |
| --- | --- |
| Status code | 400 |
| Error code | `subscription_quantity_missing_for_new_items` |
| Error message | the quantity field must be included for each new item to be added |

## Common causes

- One or more of the new items that you're trying to add doesn't contain a `quantity` field.

## Common solutions

- Ensure a `quantity` field is included with each new item to be added.