Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\FooInterface" not found in /home/trpdev/public_html/vendor/symfony/dependency-injection/Tests/Fixtures/Prototype/Foo.php:5 Stack trace: #0 {main} thrown in /home/trpdev/public_html/vendor/symfony/dependency-injection/Tests/Fixtures/Prototype/Foo.php on line 5