Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'index.html' in 'WHERE' in /home/sharydvp/public_html/src/Controllers/UserController.php:12 Stack trace: #0 /home/sharydvp/public_html/src/Controllers/UserController.php(12): PDO->query() #1 [internal function]: SharpGuide\Controllers\UserController->courseDetail() #2 /home/sharydvp/public_html/vendor/bright-webb/easy-router/src/Router.php(317): call_user_func_array() #3 /home/sharydvp/public_html/vendor/bright-webb/easy-router/src/Router.php(278): EasyRouter\Router->executeCallback() #4 /home/sharydvp/public_html/index.php(158): EasyRouter\Router->run() #5 {main} thrown in /home/sharydvp/public_html/src/Controllers/UserController.php on line 12