Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /var/www/html/conquer-online/tools/obfuscator/vendor/symfony/config/Tests/Fixtures/Configuration/ExampleConfiguration.php:17 Stack trace: #0 {main} thrown in /var/www/html/conquer-online/tools/obfuscator/vendor/symfony/config/Tests/Fixtures/Configuration/ExampleConfiguration.php on line 17