Fatal error: Uncaught Error: Call to a member function total() on null in /home/coupang/app/controllers/Board.php:51 Stack trace: #0 /home/coupang/app/core/App.php(66): Board->index() #1 /home/coupang/public_html/index.php(5): App->loadController() #2 {main} thrown in /home/coupang/app/controllers/Board.php on line 51