Fatal error: Uncaught Error: Class "PHP_CodeSniffer\Files\File" not found in C:\xampp\htdocs\snipe-it\vendor\squizlabs\php_codesniffer\src\Files\DummyFile.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\vendor\squizlabs\php_codesniffer\src\Files\DummyFile.php on line 20