Fatal error: Uncaught Error: Class "League\Flysystem\Adapter\AbstractAdapter" not found in C:\xampp\htdocs\hoteline\vendor\league\flysystem\src\Adapter\NullAdapter.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hoteline\vendor\league\flysystem\src\Adapter\NullAdapter.php on line 9