Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in /home/ldt/public_html/canvas/udoit/vendor/sensio/framework-extra-bundle/src/DependencyInjection/Compiler/OptimizerPass.php:22 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/sensio/framework-extra-bundle/src/DependencyInjection/Compiler/OptimizerPass.php on line 22