QUESTION: 

After installing the module on our site which uses theme Sm/market. Unfortunately, there is no option to select a payment method or a shipping option 

How to fix it?


ANSWER: 

This issue due to the conflict between our module One Step Checkout with your third party theme Sm/market.

To fix this issue, please go to Store --> Configuration --> BSS Commerce --> Custom Style --> Custom code and comment the code as below to the field custom code in the backend:


If there is anything else we might help you, please do not hesitate via https://bsscommerce.com/contact

We'd be happy to support.