Fatal error: Uncaught Error: Interface "PhpCsFixer\RuleSet\RuleSetInterface" not found in /var/www/html/vendor/friendsofphp/php-cs-fixer/src/RuleSet/RuleSet.php:29 Stack trace: #0 {main} thrown in /var/www/html/vendor/friendsofphp/php-cs-fixer/src/RuleSet/RuleSet.php on line 29