Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface' not found in D:\svn\blog\vendor\symfony\console\DependencyInjection\AddConsoleCommandPass.php:27 Stack trace: #0 {main} thrown in D:\svn\blog\vendor\symfony\console\DependencyInjection\AddConsoleCommandPass.php on line 27