Fatal error: Uncaught Error: Interface 'Symfony\Component\Debug\Tests\Fixtures\DeprecatedInterface' not found in /mnt/www/fss/casefiling/vendor/symfony/debug/Tests/Fixtures/NonDeprecatedInterface.php:5 Stack trace: #0 {main} thrown in /mnt/www/fss/casefiling/vendor/symfony/debug/Tests/Fixtures/NonDeprecatedInterface.php on line 5