Fatal error: Uncaught Error: Call to a member function is_sold_individually() on

Fatal error: Uncaught Error: Call to a member function is_sold_individually() on null in /public_html/wp-content/plugins/added-to-cart-popup-woocommerce/templates/xoo-cp-content.php:68

Stack Trace
1.	
include()
/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php:249
2.	
wc_get_template('xoo-cp-content....', Array, '', '/home/m/mypower...')
/public_html/wp-content/plugins/added-to-cart-popup-woocommerce/includes/class-xoo-cp-core.php:55
3.	
Xoo_CP_Core->get_cart_content()
/public_html/wp-content/plugins/added-to-cart-popup-woocommerce/includes/class-xoo-cp-core.php:123
4.	
Xoo_CP_Core->set_ajax_fragments(Array)
/public_html/wp-includes/class-wp-hook.php:288
5.	
WP_Hook->apply_filters(Array, Array)
/public_html/wp-includes/plugin.php:206
6.	
/public_html/wp-content/plugins/woocommerce/inclu in 
/public_html/wp-content/plugins/added-to-cart-popup-woocommerce/templates/xoo-cp-content.php on line 68