Fatal error: Uncaught Error: Call to a member function getChildrenCategories() on null in /home/customer/www/greenolive.com.au/public_html/app/code/Zdcs/Digital/Plugin/Category/View.php:9 Stack trace: #0 /home/customer/www/greenolive.com.au/public_html/vendor/magento/framework/Interception/Interceptor.php(146): Zdcs\Digital\Plugin\Category\View->afterExecute(Object(Magento\Catalog\Controller\Category\View\Interceptor), Object(Magento\Framework\Controller\Result\Forward\Interceptor)) #1 /home/customer/www/greenolive.com.au/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Catalog\Controller\Category\View\Interceptor->Magento\Framework\Interception\{closure}() #2 /home/customer/www/greenolive.com.au/public_html/generated/code/Magento/Catalog/Controller/Category/View/Interceptor.php(26): Magento\Catalog\Controller\Category\View\Interceptor->___callPlugins('execute', Array, Array) #3 /home/customer/www/greenolive.com.au/public_html/vendor/magento/framework/App/Action/Action.php(108): Magento\Cata in /home/customer/www/greenolive.com.au/public_html/app/code/Zdcs/Digital/Plugin/Category/View.php on line 9