Fatal error: Uncaught Error: Interface "Liip\ImagineBundle\Imagine\Cache\SignerInterface" not found in /home/gingerbrup/urban/vendor/liip/imagine-bundle/Imagine/Cache/Signer.php:5 Stack trace: #0 {main} thrown in /home/gingerbrup/urban/vendor/liip/imagine-bundle/Imagine/Cache/Signer.php on line 5