Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /home/fymuuvk/www/monialayritys/vendor/symfony/cache/DataCollector/CacheDataCollector.php:27 Stack trace: #0 {main} thrown in /home/fymuuvk/www/monialayritys/vendor/symfony/cache/DataCollector/CacheDataCollector.php on line 27