Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in /home/qcsvlel/www/core/lib/Drupal/Core/DependencyInjection/Compiler/BackwardsCompatibilityClassLoaderPass.php:13 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/lib/Drupal/Core/DependencyInjection/Compiler/BackwardsCompatibilityClassLoaderPass.php on line 13