Add Sharepoint List as Data Source to my Gateway

Hi, I´m working in a PowerBI proyect that use a SharePoint list as data source.....I finished my project, plublished in my web service and posted in my Team SharePoint for my co workers ......everything perfect.

When I was setting up the gateway and register my SharePoint as new data source for keep my team PoweBI updated but in the gateway....show that the data source as "Connection Successful", but when I go to my report dataset and try to configure the refresh or select the gataway...they show me this error:

I really apreciate If someone can help me..I dont know what Im doing wrong.

Thanks!!!!!