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.
Learn more about us:
BSS Commerce is a trusted Magento 2 extensions provider with 14+ years of experience, serving 75,000+ customers worldwide. We are an Adobe Commerce Solution Bronze Partner and a Select Magento Extensions Builder, reinforcing our expertise in the Magento ecosystem.
We specialize in developing 150+ high-quality Magento 2 extensions that enhance functionality, improve user experience, and support scalable growth. Our reputation is built on long-term partnerships, positive feedback, and proven performance-driven solutions.
Browse for more at: https://bsscommerce.com/magento-2-extensions.html
Ready to explore our top tier extensions:
- For B2B businesses, our Magento B2B Extension by BSS Commerce is a flagship and widely adopted solution globally, offering advanced pricing, company account management, and streamlined workflows.
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