/ / here is the error am getting. Fatal error: Uncaught Error: Class ' Slim\ App' not found in / home/ treehouse. public mixed PDOStatement: : fetchObject ( [ string $ class_ name. / / throw the default PHP error. This results in a PHP Fatal error: Class ' MyClass' not found. The Slim class' full name ( including namespace) is \ Slim\ Slim so you' ll need to use that, eg $ app = \ Slim\ Slim: : getInstance( ) ; Alternatively, you can import the Slim. Ошибка Fatal error: Class ' Joomla\ String\ StringHelper' not found in. path\ language\ ru- RU\ ru- RU. Now you can create new exceptions in one line: