Woocommerce Error

Anyone else having this issue? A customer pays for an item then instead of it going to a “processed payment” page it is pulling this error up…the order is still processing through but the customers are unsure if it does and they are calling in.

{“result”:”failure”,”messages”:”

\n\t\t\t
Sorry, your session has expired. Return to homepage<\/a><\/li>\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
State<\/strong> is a required field.<\/li>\n\t\t\t
Zip<\/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<\/ul>”,”refresh”:”false”,”reload”:”false”}