fulfillment service cannot be dsers-fulfillment-service if the variant does not require shipping

[DanielKraai]

when i am trying to make the site and click save i get a message; ulfillment service cannot be dsers-fulfillment-service if the variant does not require shipping what does that mean and how do i fix this?

[MariaMay911]

I have the same problem and I don't understand how to solve it!