Fatal error: Uncaught Error: Class "PHP_CodeSniffer\Generators\Generator" not found in I:\www\frameworks\Symfony\doctrine\vendor\squizlabs\php_codesniffer\src\Generators\HTML.php:18 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\squizlabs\php_codesniffer\src\Generators\HTML.php on line 18