Fatal error: Uncaught Error: Class "Aws\Token\Token" not found in C:\WebServer\htdocs\bookshelf\vendor\aws\aws-sdk-php\src\Token\SsoToken.php:7 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\aws\aws-sdk-php\src\Token\SsoToken.php on line 7