Fatal error: Uncaught Error: Class 'Hoppediz\GroupsCatalog\Model\CatalogSearch\ResourceModel\Advanced\Collection' not found in /html/domains/www.hoppediz.de/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:93 Stack trace: #0 /html/domains/www.hoppediz.de/vendor/magento/framework/ObjectManager/Factory/Compiled.php(88): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Hoppediz\\Groups...', Array) #1 /html/domains/www.hoppediz.de/vendor/magento/framework/ObjectManager/ObjectManager.php(57): Magento\Framework\ObjectManager\Factory\Compiled->create('Hoppediz\\Groups...', Array) #2 /html/domains/www.hoppediz.de/var/generation/Magento/Catalog/Model/ResourceModel/Product/CollectionFactory.php(43): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Catalog...', Array) #3 /html/domains/www.hoppediz.de/vendor/magento/module-catalog-search/Model/Advanced.php(152): Magento\Catalog\Model\ResourceModel\Product\CollectionFactory->create() #4 /html/domains/www.hoppediz.de/vendor/magento in /html/domains/www.hoppediz.de/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 93