Fatal error: Uncaught TypeError: Argument 1 passed to CoursesController::detail() must be of the type int, string given in /home/yogigs4livedemo/impactmaker.yogigs.4livedemo.com/application/controllers/CoursesController.php:15 Stack trace: #0 /home/fatlib/v2.4/FatApplication.class.php(0): CoursesController->detail('blog') #1 /home/yogigs4livedemo/impactmaker.yogigs.4livedemo.com/public/index.php(9): FatApplication->callHook() #2 {main} thrown in /home/yogigs4livedemo/impactmaker.yogigs.4livedemo.com/application/controllers/CoursesController.php on line 15