Fatal error: Declaration of SkyVerge\WooCommerce\Facebook\Jobs\GenerateProductFeed::process_item($product, $args) must be compatible with Automattic\WooCommerce\ActionSchedulerJobFramework\AbstractChainedJob::process_item($item, array $args) in /wp-content/plugins/facebook-for-woocommerce/includes/Jobs/GenerateProductFeed.php on line 18