Fatal error: Uncaught Error: Class "Doctrine\Common\Reflection\StaticReflectionParser" not found in /home/www/drupal8/test/core/modules/migrate/src/Plugin/Discovery/StaticReflectionParser.php:15 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/migrate/src/Plugin/Discovery/StaticReflectionParser.php on line 15