Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Loader\FileLoader" not found in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\symfony\dependency-injection\Loader\PhpFileLoader.php:34 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\symfony\dependency-injection\Loader\PhpFileLoader.php on line 34