Plugin Method Conflict

This plugin has a method conflicting with woocommerce-twitterbootstrap

Fatal error: Cannot redeclare plugin_settings_link() (previously declared in /var/www/clients/client1/web19/web/wp-content/plugins/responsive-add-ons/responsive-add-ons.php:270) in /var/www/clients/client1/web19/web/wp-content/plugins/woocommerce-twitterbootstrap/woocommerce-twitterbootstrap.php on line 654

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