Notice: Access to undefined property Category::_content in /home/beddynew/public_html/app/controllers/ProductController.php on line 98

Fatal error: Uncaught Error: Call to a member function children() on null in /home/beddynew/public_html/app/controllers/ProductController.php:99 Stack trace: #0 [internal function]: ProductController->indexAction(Array) #1 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->callActionMethod(Object(ProductController), 'indexAction', Array) #2 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch() #3 /home/beddynew/public_html/index.php(48): Phalcon\Mvc\Application->handle('/chan-ga-goi') #4 {main} thrown in /home/beddynew/public_html/app/controllers/ProductController.php on line 99