strange address error

I’m getting the bellow error when ever i try to process a transation im not sure what the fault means

{"result":"failure","messages":"
\n\t\t\t
Country<\/strong> is a required field.<\/li>\n\t\t\t
First Name<\/strong> is a required field.<\/li>\n\t\t\t
Last Name<\/strong> is a required field.<\/li>\n\t\t\t
Address<\/strong> is a required field.<\/li>\n\t\t\t
Town \/ City<\/strong> is a required field.<\/li>\n\t\t\t
Postcode<\/strong> is a required field.<\/li>\n\t\t\t
Email Address<\/strong> is a required field.<\/li>\n\t\t\t
Phone<\/strong> is a required field.<\/li>\n\t\t\t
Invalid payment method.<\/li>\n\t<\/ul>","refresh":"false","reload":"false"}

https://wordpress.org/plugins/woocommerce-epdq-payment-gateway/