Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in D:\Apache24\www\gs1_taizhou\back\vendor\symfony\var-dumper\Command\ServerDumpCommand.php:39 Stack trace: #0 {main} thrown in D:\Apache24\www\gs1_taizhou\back\vendor\symfony\var-dumper\Command\ServerDumpCommand.php on line 39