MongoDB Atlas Connection: Power BI Service

I connected some collections of mongodb atlas to power bi desktop, using the MongoDB Atlas SQL (Beta). However, when I try to schedule refresh in Power BI Cloud Service, it’s returning the following error:

Unable to create connection for the following reason: Unable to connect to the data source. Either the data source is inaccessible, a connection timeout occurred, or the data source credentials are invalid. Please verify the data source configuration and contact a data source administrator to troubleshoot this issue. Details: Missing client library for datasource

Can somebody help me out?