Opencart\Catalog\Controller\Extension\FlowyTracking\Event\ProductImpressionsEvent::_getFeaturedOrComparedProducts(): Argument #1 ($products) must be of type array, null given, called in /home/trailers/public_html/extension/flowy_tracking/catalog/controller/event/product_impressions_event.php on line 176: in /home/trailers/public_html/extension/flowy_tracking/catalog/controller/event/product_impressions_event.php on line 364