Fatal error: Uncaught Error: Interface "Symfony\Component\VarDumper\Dumper\DataDumperInterface" not found in C:\Apache24_x64\htdocs\ipad\vendor\symfony\var-dumper\Dumper\ServerDumper.php:23 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ipad\vendor\symfony\var-dumper\Dumper\ServerDumper.php on line 23