Fatal error: Uncaught Error: Interface "League\Flysystem\PathNormalizer" not found in D:\programs\xampp\htdocs\backend-test\vendor\league\flysystem\src\WhitespacePathNormalizer.php:7 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\league\flysystem\src\WhitespacePathNormalizer.php on line 7