Discount not valid for items on subscription

{
  "error": {
    "type": "request_error",
    "code": "subscription_discount_not_valid_for_items",
    "detail": "discount is not valid for any items in subscription",
    "documentation_url": "https://developer.paddle.com/errors/subscriptions/subscription_discount_not_valid_for_items"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}

Details

Status code

400

Error code

subscription_discount_not_valid_for_items

Error message

discount is not valid for any items in subscription

Common causes

• The discount doesn't apply to any items on the subscription.

Troubleshooting

• Check that the discount isn't expired and hasn't reached its usage limit.
• Check that the discount applies to products or prices on this subscription.
• Remove the discount, if not required.