Cannot make a subscription update resulting in a mismatch between customer entities
You are attempting to make an update to a subscription that will result in a mismatch between customer entities.
| Error Message | Paddle cannot complete this action as it will result in a mismatch between customer entities. |
| Error Code | subscription_update_causing_customer_mismatch_not_allowed |
| Status Code | 400 |
Common causes
You're trying to make an update to a subscription that generates credits, but a new customer entity has been linked to the subscription since the last renewal. This would mean creating a credit against a transaction for a customer with credit from a another customer, which isn't permitted.
You're attempting to link a new customer to the subscription which is not permitted if there are pending credits belonging to the previous customer.
Solutions
Consider using a proration billing mode that won't create credits.
Try this change again after the next renewal.