Fatal error: Uncaught Error: Class 'Symfony\Component\Translation\Extractor\Visitor\AbstractVisitor' not found in /home/edmedu/www/edmclass.com.bak/edmclass-admin/vendor/symfony/translation/Extractor/Visitor/TransMethodVisitor.php:20 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-admin/vendor/symfony/translation/Extractor/Visitor/TransMethodVisitor.php on line 20