Fatal error: Uncaught Error: Interface "Symfony\Component\VarDumper\Dumper\DataDumperInterface" not found in C:\xampp\htdocs\RegnowSite\vendor\topthink\think-dumper\src\ServerDumper.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\RegnowSite\vendor\topthink\think-dumper\src\ServerDumper.php on line 8