Problem Activated Plugin Pro

Hi I have a problem to activate the plugin pro WooCommerce Cart popup premium.

appeared this message when I try to activate. can you please help this asap.

Fatal error: Cannot redeclare xoo_cp_rock_the_world() (previously declared in /home/theecowarrior/public_html/wp-content/plugins/added-to-cart-popup-woocommerce/xoo-cp-main.php:30) in /home/theecowarrior/public_html/wp-content/plugins/woocommerce-cart-popup-premium/xoo-cp-main.php on line 40

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