Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in /home/astechc1/public_html/vendor/symfony/framework-bundle/DependencyInjection/Compiler/SessionPass.php:21 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/symfony/framework-bundle/DependencyInjection/Compiler/SessionPass.php on line 21