Fatal error: Uncaught Error: Class "League\Flysystem\Adapter\AbstractAdapter" not found in C:\Apache24_x64\htdocs\ipad\vendor\league\flysystem\src\Adapter\NullAdapter.php:9 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ipad\vendor\league\flysystem\src\Adapter\NullAdapter.php on line 9