Warning: Undefined array key "parentchildCategoryIdName" in /var/www/html/src/project/OfficeBrain/CustomBundle/SearchBundle/Controller/BrowseCategoryController.php on line 250

Fatal error: Uncaught TypeError: array_column(): Argument #1 ($array) must be of type array, null given in /var/www/html/src/project/OfficeBrain/CustomBundle/SearchBundle/Controller/BrowseCategoryController.php:250 Stack trace: #0 /var/www/html/src/project/OfficeBrain/CustomBundle/SearchBundle/Controller/BrowseCategoryController.php(250): array_column(NULL, 'id') #1 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(181): App\project\OfficeBrain\CustomBundle\SearchBundle\Controller\BrowseCategoryController->categoryProductListAction(Object(Symfony\Component\HttpFoundation\Request)) #2 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #3 /var/www/html/vendor/symfony/http-kernel/Kernel.php(197): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #4 /var/www/html/public/index.php(25): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #5 {main} thrown in /var/www/html/src/project/OfficeBrain/CustomBundle/SearchBundle/Controller/BrowseCategoryController.php on line 250