Deprecated: League\Flysystem\Filesystem::__construct(): Implicitly marking parameter $pathNormalizer as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\invitation-app\vendor\league\flysystem\src\Filesystem.php on line 24

Fatal error: Trait "League\Flysystem\CalculateChecksumFromStream" not found in C:\Apache24\htdocs\invitation-app\vendor\league\flysystem\src\Filesystem.php on line 17