Warning: Undefined property: Survivor\Controller\Site\GroupController::$words in /home/GR01/wwwr00t/app/Controller/BaseController.php on line 245

Warning: Undefined property: Survivor\Controller\Site\GroupController::$words in /home/GR01/wwwr00t/app/Controller/BaseController.php on line 250

Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /home/GR01/wwwr00t/app/Controller/BaseController.php:250 Stack trace: #0 /home/GR01/wwwr00t/app/Controller/BaseController.php(250): array_merge() #1 /home/GR01/wwwr00t/app/Controller/BaseController.php(198): Survivor\Controller\BaseController->isKeywords() #2 /home/GR01/wwwr00t/app/Controller/BaseController.php(150): Survivor\Controller\BaseController->convertChineseText() #3 /home/GR01/wwwr00t/app/Controller/BaseController.php(113): Survivor\Controller\BaseController->processElement() #4 /home/GR01/wwwr00t/app/Controller/Site/GroupController.php(297): Survivor\Controller\BaseController->translateToPinyin() #5 /home/GR01/wwwr00t/app/Controller/Application/Architecture.php(173): Survivor\Controller\Site\GroupController->html() #6 /home/GR01/wwwr00t/bootstrap/kernel.php(24): Survivor\Controller\Application\Architecture->handle() #7 /home/GR01/wwwr00t/public/index.php(14): require_once('...') #8 {main} thrown in /home/GR01/wwwr00t/app/Controller/BaseController.php on line 250
Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /home/GR01/wwwr00t/app/Controller/BaseController.php:250 Stack trace: #0 /home/GR01/wwwr00t/app/Controller/BaseController.php(250): array_merge() #1 /home/GR01/wwwr00t/app/Controller/BaseController.php(198): Survivor\Controller\BaseController->isKeywords() #2 /home/GR01/wwwr00t/app/Controller/BaseController.php(150): Survivor\Controller\BaseController->convertChineseText() #3 /home/GR01/wwwr00t/app/Controller/BaseController.php(113): Survivor\Controller\BaseController->processElement() #4 /home/GR01/wwwr00t/app/Controller/Site/GroupController.php(297): Survivor\Controller\BaseController->translateToPinyin() #5 /home/GR01/wwwr00t/app/Controller/Application/Architecture.php(173): Survivor\Controller\Site\GroupController->html() #6 /home/GR01/wwwr00t/bootstrap/kernel.php(24): Survivor\Controller\Application\Architecture->handle() #7 /home/GR01/wwwr00t/public/index.php(14): require_once('...') #8 {main} thrown