Fatal error: Uncaught Error: Class "Microsoft\Kiota\Abstractions\Authentication\BaseBearerTokenAuthenticationProvider" not found in /var/www/usonboard.com/vendor/microsoft/kiota-authentication-phpleague/src/PhpLeagueAuthenticationProvider.php:25 Stack trace: #0 {main} thrown in /var/www/usonboard.com/vendor/microsoft/kiota-authentication-phpleague/src/PhpLeagueAuthenticationProvider.php on line 25