Crash

Hi, i have installed and run “WooCommerce Price Based on Country” was very well and it really a GREAT plugin, but lately when i added “WooCommerce Weight Based Shipping” then it become showing <There are no shipping methods available. Please ensure that your address has been entered correctly, or contact us if you need any help.>, please advise and help….Thank you very much.

The page I need help with: [log in to see the link]