Fatal error: Uncaught Error: Class 'PhpCsFixer\AbstractProxyFixer' not found in /home/www/cookbook/vendor/friendsofphp/php-cs-fixer/src/Fixer/ClassNotation/FinalClassFixer.php:25 Stack trace: #0 {main} thrown in /home/www/cookbook/vendor/friendsofphp/php-cs-fixer/src/Fixer/ClassNotation/FinalClassFixer.php on line 25