Fatal error: Uncaught Error: Undefined constant "TPL" in /home/wwwroot/web/common/Module.php:126 Stack trace: #0 /home/wwwroot/web/modules/page/Demo.php(12): Module->renderHTML() #1 /home/wwwroot/web/common/Route.php(43): Demo->view() #2 /home/wwwroot/web/index.php(32): Route->__construct() #3 {main} thrown in /home/wwwroot/web/common/Module.php on line 126