How to resolve check out button grey out issue

[tkvs]

I am getting an error that after adding products in cart checkout button grey out

website www.farmtb.com

[devtalk]

@tkvs

Because of many Js issues,
it’s can’t working,

fix out your Js issues and i hope this will resolve your issue.
For that you need a developer help or you need to hire a developer to fix out,

Thank you,