Fatal error: Uncaught Error: Interface "Liip\ImagineBundle\Factory\Config\StackFactoryInterface" not found in /home/astechc1/public_html/vendor/liip/imagine-bundle/Factory/Config/StackFactory.php:20 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/liip/imagine-bundle/Factory/Config/StackFactory.php on line 20