Vladimir

> Hello @gorets, thanks for reporting the issue. I can see there is a check on > https://github.com/microsoftgraph/msgraph-sdk-php/blob/72192f38679c7def0daac0cf53648cdebcf96256/src/Beta/Microsoft/Graph/Model/Contact.php#L65 > > To check if the key contains null before creating a...

Do you have a problem?