Fatal error: Uncaught Error: Interface 'PhpCsFixer\Fixer\FixerInterface' not found in /var/www/html/test-project/my-app/vendor/phar-io/manifest/tools/php-cs-fixer.d/PhpdocSingleLineVarFixer.php:19 Stack trace: #0 /var/www/html/test-project/my-app/vendor/phar-io/manifest/.php-cs-fixer.dist.php(3): require() #1 {main} thrown in /var/www/html/test-project/my-app/vendor/phar-io/manifest/tools/php-cs-fixer.d/PhpdocSingleLineVarFixer.php on line 19