"no_shipping_methods_configured" when checking out

-- HikaShop version -- : 3.1.1
-- Joomla version -- : 3.7.3
-- PHP version -- : 7.0
-- Browser(s) name and version -- : safari
-- Error-message(debug-mod must be tuned on) -- : no_shipping_methods_configured

I have the USPS shipping method configured but it is not showing up on front end when checking out. Here is what I see:

Checked from front end again and now USPS is showing up. Thanks anyway!