Plugin throws error

This has already been mentioned earlier but there was no reply nor a fix!

E_WARNING: Cannot modify header information - headers already sent
in setcookie called at /public_html/wp-content/plugins/woo-wallee/woocommerce-wallee.php (312)
in WooCommerce_Wallee::set_device_id_cookie called at /public_html/wp-includes/class-wp-hook.php (287)
in WP_Hook::apply_filters called at public_html/wp-includes/class-wp-hook.php (311)
in WP_Hook::do_action called at /public_html/wp-includes/plugin.php (478)
in do_action called at /public_html/wp-settings.php (540)
in require_once called at /public_html/wp-config.php (74)
in require_once called at /public_html/wp-load.php (37)
in require_once called at /public_html/wp-cron.php (44)