Fatal error: Uncaught Error: Class "PhpCsFixer\Finder" not found in E:\www\xmvc\v5.0\composer\vendor\phpoffice\phpspreadsheet\.php-cs-fixer.dist.php:3 Stack trace: #0 {main} thrown in E:\www\xmvc\v5.0\composer\vendor\phpoffice\phpspreadsheet\.php-cs-fixer.dist.php on line 3