Fatal error: Uncaught Error: Call to a member function getElasticSearchType() on null in /home/rinderohr/webroot/engine/Shopware/Bundle/SearchBundleES/FacetHandler/ProductAttributeFacetHandler.php:94 Stack trace: #0 /home/rinderohr/webroot/engine/Shopware/Bundle/SearchBundleES/ProductNumberSearch.php(167): Shopware\Bundle\SearchBundleES\FacetHandler\ProductAttributeFacetHandler->handle(Object(Shopware\Bundle\SearchBundle\Facet\ProductAttributeFacet), Object(Shopware\Bundle\SearchBundle\Criteria), Object(Shopware\Bundle\ESIndexingBundle\EsSearch), Object(Shopware\Bundle\StoreFrontBundle\Struct\ShopContext)) #1 /home/rinderohr/webroot/engine/Shopware/Bundle/SearchBundleES/ProductNumberSearch.php(142): Shopware\Bundle\SearchBundleES\ProductNumberSearch->addCriteriaParts(Object(Shopware\Bundle\SearchBundle\Criteria), Object(Shopware\Bundle\StoreFrontBundle\Struct\ShopContext), Object(Shopware\Bundle\ESIndexingBundle\EsSearch), Array) #2 /home/rinderohr/webroot/engine/Shopware/Bundle/SearchBundleES/ProductNumberSearch.php(84): in /home/rinderohr/webroot/engine/Shopware/Bundle/SearchBundleES/FacetHandler/ProductAttributeFacetHandler.php on line 94