Please check this thread, https://github.com/bagisto/bagisto/pull/4716/files

Have you create Stripe Class?

@Mayankpanchal This error is related to marketplace module which is paid so kindly raise your query to the support team here [email protected]

Hi @rudiculous, When you save the address then in response you will get the shipping method. Same when you save shipping method then you will get payment method in response.