Fatal error: Uncaught Error: Interface 'PhpCsFixer\Fixer\FixerInterface' not found in /var/www/app/appregwebservice/vendor/friendsofphp/php-cs-fixer/src/Fixer/WhitespacesAwareFixerInterface.php:22 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/friendsofphp/php-cs-fixer/src/Fixer/WhitespacesAwareFixerInterface.php on line 22