Fatal error: Uncaught Error: Class "League\Flysystem\Adapter\AbstractAdapter" not found in C:\xampp\htdocs\snipe-it\vendor\league\flysystem-aws-s3-v3\src\AwsS3Adapter.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\vendor\league\flysystem-aws-s3-v3\src\AwsS3Adapter.php on line 17