This article covers
Adyen Sofort is enabled but still getting an error
Sofort is not configured in your gateway
Summary
This is happening because the constraint within Sofort wasn’t correct. You need to set the constraint on the Sofort Payment Method in the merchant account to Minimum Value - 0.01 EUR
Solution
Although Sofort is enabled in Adyen as a payment method, the error kept coming up that it is not configured in the gateway. This is happening because the constraint within Sofort wasn’t correct.
It needed a minimum value of EUR 0.01 instead of EUR 1.00.