Deprecated: Symfony\Component\VarDumper\Dumper\AbstractDumper::__construct(): Implicitly marking parameter $charset as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\bookteca\vendor\symfony\var-dumper\Dumper\AbstractDumper.php on line 45

Fatal error: Uncaught Error: Interface "Symfony\Component\VarDumper\Dumper\DataDumperInterface" not found in C:\Apache24\htdocs\bookteca\vendor\symfony\var-dumper\Dumper\AbstractDumper.php:22 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\bookteca\vendor\symfony\var-dumper\Dumper\AbstractDumper.php on line 22