Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\VarDumper" not found in C:\xampp\htdocs\RegnowSite\vendor\topthink\think-dumper\src\helper.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\RegnowSite\vendor\topthink\think-dumper\src\helper.php on line 6