Trial Must Be Either Paid or Cardless
trial type conflict
| Error Message | If a trial has a unit price amount, it must require a payment method. |
| Error Code | trial_is_either_paid_or_cardless |
| Status Code | 400 |
Common causes
A trial configuration sets a unit price amount and a requirement of payment method to false
Solutions
Remove the unit price amount, to create a Cardless Trial
Set the payment method requirement to true, to create a Paid Trial