Fatal error: Uncaught Error: Call to a member function getQty() on string in /home/zaidimustalai/domains/zaidimustalai.lt/public_html/app/code/local/Juslintek/GA4EcommerceTracker/Helper/Data.php:89 Stack trace: #0 /home/zaidimustalai/domains/zaidimustalai.lt/public_html/app/code/local/Juslintek/GA4EcommerceTracker/Helper/Data.php(30): Juslintek_GA4EcommerceTracker_Helper_Data->prepareProductData(Object(Juslintek_Catalog_Model_Product), 'DESING LINE sta...', Array) #1 /home/zaidimustalai/domains/zaidimustalai.lt/public_html/app/code/local/Juslintek/GA4EcommerceTracker/Model/Observer.php(43): Juslintek_GA4EcommerceTracker_Helper_Data->prepareItemListData(Object(Mage_Catalog_Model_Resource_Product_Collection), Array) #2 /home/zaidimustalai/domains/zaidimustalai.lt/public_html/app/code/core/Mage/Core/Model/App.php(1358): Juslintek_GA4EcommerceTracker_Model_Observer->trackProductListView(Object(Varien_Event_Observer)) #3 /home/zaidimustalai/domains/zaidimustalai.lt/public_html/app/code/core/Mage/Core/Model/App.php(1337): Mage_ in /home/zaidimustalai/domains/zaidimustalai.lt/public_html/app/code/local/Juslintek/GA4EcommerceTracker/Helper/Data.php on line 89