# Invalid update options for discount on a trialing subscription

You are attempting to add or update a discount on a trialing subscription with invalid options

---

## Example

```json
{
  "error": {
    "type": "request_error",
    "code": "subscription_trialing_discount_update_invalid_options",
    "detail": "Discounts can only be added or updated on a trialing subscription effective from next billing period",
    "documentation_url": "https://developer.paddle.com/errors/subscriptions/subscription_trialing_discount_update_invalid_options"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}
```

## Details

| Attribute | Value |
| --- | --- |
| Status code | 400 |
| Error code | `subscription_trialing_discount_update_invalid_options` |
| Error message | Discounts can only be added or updated on a trialing subscription effective from next billing period |

## Common causes

- You are attempting to add or update a discount on a trialing subscription with discount.effective_from: immediately

## Common solutions

- Retry the request with discount.effective_from: next_billing_period