Fatal error: Uncaught Error: Call to a member function getAggregations() on null in /home/user/htdocs/srv752301.hstgr.cloud/app/code/Mageplaza/LayeredNavigation/Model/ResourceModel/Fulltext/Collection.php:802 Stack trace: #0 /home/user/htdocs/srv752301.hstgr.cloud/generated/code/Mageplaza/LayeredNavigation/Model/ResourceModel/Fulltext/Collection/Interceptor.php(258): Mageplaza\LayeredNavigation\Model\ResourceModel\Fulltext\Collection->getFacetedData('category') #1 /home/user/htdocs/srv752301.hstgr.cloud/app/code/Mageplaza/LayeredNavigation/Model/Layer/Filter/Category.php(240): Mageplaza\LayeredNavigation\Model\ResourceModel\Fulltext\Collection\Interceptor->getFacetedData('category') #2 /home/user/htdocs/srv752301.hstgr.cloud/vendor/magento/module-catalog/Model/Layer/Filter/AbstractFilter.php(202): Mageplaza\LayeredNavigation\Model\Layer\Filter\Category->_getItemsData() #3 /home/user/htdocs/srv752301.hstgr.cloud/app/code/Mageplaza/LayeredNavigation/Model/Layer/Filter/Category.php(219): Magento\Catalog\Model\Layer\Filter\Ab in /home/user/htdocs/srv752301.hstgr.cloud/app/code/Mageplaza/LayeredNavigation/Model/ResourceModel/Fulltext/Collection.php on line 802