Fatal error: Uncaught Error: Call to a member function getProductCollection() on null in /home/powerhealthco/public_html/app/code/Rokanthemes/Categorytab/Plugin/Catalog/Controller/Category/View.php:12 Stack trace: #0 /home/powerhealthco/public_html/generated/code/Rokanthemes/Categorytab/Plugin/Catalog/Controller/Category/View/Interceptor.php(24): Rokanthemes\Categorytab\Plugin\Catalog\Controller\Category\View->afterExecute(Object(Magento\Catalog\Controller\Category\View\Interceptor), Object(Magento\Framework\Controller\Result\Forward\Interceptor)) #1 /home/powerhealthco/public_html/vendor/magento/framework/Interception/Interceptor.php(146): Rokanthemes\Categorytab\Plugin\Catalog\Controller\Category\View\Interceptor->afterExecute(Object(Magento\Catalog\Controller\Category\View\Interceptor), Object(Magento\Framework\Controller\Result\Forward\Interceptor)) #2 /home/powerhealthco/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Controller\Category\View\Interceptor->Magento\Framework\Inte in /home/powerhealthco/public_html/app/code/Rokanthemes/Categorytab/Plugin/Catalog/Controller/Category/View.php on line 12