Fatal error: Uncaught Error: Interface 'PhpCsFixer\FixerConfiguration\FixerConfigurationResolverInterface' not found in /var/www/app/appregwebservice/vendor/friendsofphp/php-cs-fixer/src/FixerConfiguration/FixerConfigurationResolver.php:21 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/friendsofphp/php-cs-fixer/src/FixerConfiguration/FixerConfigurationResolver.php on line 21