Fatal error: Uncaught Error: Call to undefined method ONGR\ElasticsearchDSL\Search::addFilter() in /home/schuldbq/www.schulranzen-onlineshop.de/engine/Shopware/Bundle/SearchBundleES/ConditionHandler/CustomerGroupConditionHandler.php:61 Stack trace: #0 /home/schuldbq/www.schulranzen-onlineshop.de/engine/Shopware/Bundle/SearchBundleES/ProductNumberSearch.php(215): Shopware\Bundle\SearchBundleES\ConditionHandler\CustomerGroupConditionHandler->handleFilter(Object(Shopware\Bundle\SearchBundle\Condition\CustomerGroupCondition), Object(Shopware\Bundle\SearchBundle\Criteria), Object(ONGR\ElasticsearchDSL\Search), Object(Shopware\Bundle\StoreFrontBundle\Struct\ShopContext)) #1 /home/schuldbq/www.schulranzen-onlineshop.de/engine/Shopware/Bundle/SearchBundleES/ProductNumberSearch.php(123): Shopware\Bundle\SearchBundleES\ProductNumberSearch->addConditions(Object(Shopware\Bundle\SearchBundle\Criteria), Object(Shopware\Bundle\StoreFrontBundle\Struct\ShopContext), Object(ONGR\ElasticsearchDSL\Search)) #2 /home/schuldbq/www.schulranzen-o in /home/schuldbq/www.schulranzen-onlineshop.de/engine/Shopware/Bundle/SearchBundleES/ConditionHandler/CustomerGroupConditionHandler.php on line 61