Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\CacheClearer\CacheClearerInterface' not found in D:\svn\blog\vendor\symfony\http-kernel\CacheClearer\Psr6CacheClearer.php:17 Stack trace: #0 {main} thrown in D:\svn\blog\vendor\symfony\http-kernel\CacheClearer\Psr6CacheClearer.php on line 17