Deprecated: Symfony\Component\VarDumper\Caster\TraceStub::__construct(): Implicitly marking parameter $sliceLength as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\BookStack\vendor\symfony\var-dumper\Caster\TraceStub.php on line 28

Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Cloner\Stub" not found in C:\Apache24\htdocs\BookStack\vendor\symfony\var-dumper\Caster\TraceStub.php:21 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\BookStack\vendor\symfony\var-dumper\Caster\TraceStub.php on line 21