Fatal error: Uncaught Error: Interface 'PhpCsFixer\Cache\FileHandlerInterface' not found in /home/vivliari/public_html/presta-validator/vendor/friendsofphp/php-cs-fixer/src/Cache/FileHandler.php:22 Stack trace: #0 {main} thrown in /home/vivliari/public_html/presta-validator/vendor/friendsofphp/php-cs-fixer/src/Cache/FileHandler.php on line 22