Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Mapping\Loader\FilesLoader" not found in D:\htdocs\SuiteCRM\vendor\symfony\validator\Mapping\Loader\XmlFilesLoader.php:22 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\symfony\validator\Mapping\Loader\XmlFilesLoader.php on line 22