Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\Definition\ConfigurationInterface' not found in C:\Apache24\htdocs\fixedasset\vendor\symfony\monolog-bundle\DependencyInjection\Configuration.php:346 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\fixedasset\vendor\symfony\monolog-bundle\DependencyInjection\Configuration.php on line 346