Fatal error: Uncaught Error: Call to undefined method Rokanthemes\Brand\Model\ResourceModel\Brand\Collection::addAttributeToSort() in /home/golf2golfco/public_html/vendor/magento/module-catalog/Block/Product/ProductList/Toolbar.php:196 Stack trace: #0 /home/golf2golfco/public_html/app/code/Rokanthemes/Brand/Block/Brandpage.php(196): Magento\Catalog\Block\Product\ProductList\Toolbar->setCollection(Object(Rokanthemes\Brand\Model\ResourceModel\Brand\Collection)) #1 /home/golf2golfco/public_html/vendor/magento/framework/View/Element/AbstractBlock.php(666): Rokanthemes\Brand\Block\Brandpage->_beforeToHtml() #2 /home/golf2golfco/public_html/vendor/magento/framework/View/Layout.php(558): Magento\Framework\View\Element\AbstractBlock->toHtml() #3 /home/golf2golfco/public_html/vendor/magento/framework/View/Layout.php(534): Magento\Framework\View\Layout->_renderBlock('rokanthemesbran...') #4 /home/golf2golfco/public_html/generated/code/Magento/Framework/View/Layout/Interceptor.php(206): Magento\Framework\View\Layout->renderNonCached in /home/golf2golfco/public_html/vendor/magento/module-catalog/Block/Product/ProductList/Toolbar.php on line 196