Fatal error: Uncaught Error: Class 'Symfony\Component\Cache\Adapter\TraceableAdapter' not found in /home/edmedu/www/edmclass.com.bak/edmclass-admin/vendor/symfony/cache/Adapter/TraceableTagAwareAdapter.php:19 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-admin/vendor/symfony/cache/Adapter/TraceableTagAwareAdapter.php on line 19