Steps to reproduce the problem
Disable "Billing address" step = true
ShippingRequired = false
BypassPaymentMethodSelectionIfOnlyOne = true
PaymentMethods.Count == 1
then payment info directly into first step.
Any private modifications you made to your nopCommerce
no
@andysheu77
In the current version is not reproduced. But I checked how it works in version 4.0 and it turned out that the "Billing address" is in the first step. The decision was here.
1.nopCommerce version: 4.0