I am getting an error Fatal error: Uncaught Error: Call to a member function getAggregations() on null in /home/ilieagaue/public_html/dev.ilieagaue.com/mage/vendor/magento/module-catalog-search/Model/ResourceModel/Fulltext/Collection.php:558 Stack trace: #0 /home/ilieagaue/public_html/dev.ilieagaue.com/mage/app/code/Searchanise/SearchAutocomplete/Model/ResourceModel/Product/Fulltext/Collection.php(239): Magento\CatalogSearch\Model\ResourceModel\Fulltext\Collection->getFacetedData('category') #1 /home/ilieagaue/public_html/dev.ilieagaue.com/mage/generated/code/Searchanise/SearchAutocomplete/Model/ResourceModel/Product/Fulltext/Collection/Interceptor.php(167): Searchanise\SearchAutocomplete\Model\ResourceModel\Product\Fulltext\Collection->getFacetedData('category') #2 /home/ilieagaue/public_html/dev.ilieagaue.com/mage/vendor/magento/module-catalog-search/Model/Layer/Filter/Category.php(113): Searchanise\SearchAutocomplete\Model\ResourceModel\Product\Fulltext\Collection\Interceptor->getFacetedData('category') #3 /home/ilieagaue/public_html/dev.il in /home/ilieagaue/public_html/dev.ilieagaue.com/mage/vendor/magento/module-catalog-search/Model/ResourceModel/Fulltext/Collection.php on line 558