Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /home/helpdatafirst/public_html/helpapp/vendor/symfony/http-kernel/DataCollector/MemoryDataCollector.php:22
Stack trace:
#0 {main}
thrown in /home/helpdatafirst/public_html/helpapp/vendor/symfony/http-kernel/DataCollector/MemoryDataCollector.php on line 22