Fatal error: Uncaught TypeError: Return value of Multivers\Opencart\Store::isMultiversStore() must be of the type bool, null returned in /home/dbimg/domains/master.db-img.com/private_master/system/library/multivers/opencart/Store.php:67 Stack trace: #0 /home/dbimg/domains/master.db-img.com/private_master/plugins/product-itemlist/Plugin.php(84): Multivers\Opencart\Store->isMultiversStore() #1 /home/dbimg/domains/master.db-img.com/private_master/catalog/controller/extension/module/plugin.php(114): ProductItemlist\Plugin->prepare() #2 /home/dbimg/domains/master.db-img.com/private_master/vqmod/vqcache/vq2-system_modification_system_engine_action.php(79): ControllerExtensionModulePlugin->index(Array) #3 /home/dbimg/domains/master.db-img.com/private_master/vqmod/vqcache/vq2-system_modification_system_engine_loader.php(54): Action->execute(Object(Registry), Array) #4 /home/dbimg/domains/master.db-img.com/private_master/system/library/plugin/Classes/Twig/WidgetArea.php(185): Loader->controller('extension/modul...', Array) #5 /hom in /home/dbimg/domains/master.db-img.com/private_master/system/library/multivers/opencart/Store.php on line 67