Fatal error: Uncaught Error: Class "PhpCsFixer\AbstractFixer" not found in C:\xampp\htdocs\snipe-it\vendor\friendsofphp\php-cs-fixer\src\AbstractNoUselessElseFixer.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\vendor\friendsofphp\php-cs-fixer\src\AbstractNoUselessElseFixer.php on line 19