This code can help you to make woocommerce supportable theme, or upgrade your existing theme with theme code your theme will be fully woocommerce supportable
(1) Add following code in functions.php file
function your-theme-name_setup() {
add_theme_support( 'woocommerce' );
}
add_action( 'after_setup_theme', 'your-theme-name_setup' );
(2)Create a folder “woocommerce” in your theme
(3)Copy template file from “wp-content\plugins\woocommerce\templates” and paste into “wp-content\themes\your-theme-name\woocommerce”