Fatal error: Uncaught Error: Call to undefined method Magento\CatalogInventory\Model\StockManagement::addInStockFilterToCollection() in /home/pnsimply/public_html/app/code/Infortis/Brands/Block/ListBlock.php:492 Stack trace: #0 /home/pnsimply/public_html/app/code/Infortis/Brands/Block/ListBlock.php(382): Infortis\Brands\Block\ListBlock->_getAllBrandsInUse() #1 /home/pnsimply/public_html/app/code/Infortis/Brands/Block/ListBlock.php(339): Infortis\Brands\Block\ListBlock->_buildBrandsCollection() #2 /home/pnsimply/public_html/app/code/Infortis/Brands/Block/ListBlock.php(253): Infortis\Brands\Block\ListBlock->_getBrandCollection() #3 /home/pnsimply/public_html/app/code/Infortis/Brands/Block/ListBlock.php(178): Infortis\Brands\Block\ListBlock->_prepareTheCollection() #4 /home/pnsimply/public_html/vendor/magento/framework/View/Element/AbstractBlock.php(221): Infortis\Brands\Block\ListBlock->_construct() #5 /home/pnsimply/public_html/vendor/magento/framework/View/Element/Template.php(154): Magento\Framework\View\Element\Abstract in /home/pnsimply/public_html/app/code/Infortis/Brands/Block/ListBlock.php on line 492