Fatal error: Uncaught TypeError: Argument 1 passed to AppBundle\Controller\Course\CourseSetController::getTagIdsByCourseSet() must be of the type array, null given, called in /data/edusoho/src/AppBundle/Controller/Course/CourseSetController.php on line 114 and defined in /data/edusoho/src/AppBundle/Controller/Course/CourseSetController.php:160 Stack trace: #0 /data/edusoho/src/AppBundle/Controller/Course/CourseSetController.php(114): AppBundle\Controller\Course\CourseSetController->getTagIdsByCourseSet(NULL) #1 [internal function]: AppBundle\Controller\Course\CourseSetController->archiveDetailAction('317') #2 /data/edusoho/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(144): call_user_func_array(Array, Array) #3 /data/edusoho/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(64): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #4 /data/edusoho/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/DependencyInjection/Cont in /data/edusoho/src/AppBundle/Controller/Course/CourseSetController.php on line 160