Fatal error: Uncaught Error: Interface "Psalm\FileSource" not found in C:\xampp\htdocs\snipe-it\vendor\vimeo\psalm\src\Psalm\Internal\Scanner\FileScanner.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\vendor\vimeo\psalm\src\Psalm\Internal\Scanner\FileScanner.php on line 19