Fatal error: Uncaught Error: Interface 'Symfony\Component\Security\Http\Logout\LogoutHandlerInterface' not found in C:\Apache24\htdocs\cwbts\vendor\symfony\security-http\Logout\CookieClearingLogoutHandler.php:23 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwbts\vendor\symfony\security-http\Logout\CookieClearingLogoutHandler.php on line 23