PowerBI not displaying any data in preview. Can't use the data source.

Good morning, all.

My company is starting to ask about metrics, and I was hoping to be able to use PowerBI to build a dashboard or something.

However, when I create the data source in PowerBI and enter my JSON key, I get the following after selecting Incidents and clicking Load:

In the Navigator, I can see the objects to connect to, but can't get any data to load:

How do I go about resolving this?

I am a service administrator, but the JSON token was instantiated before my organization went to ECM.  Should I reissue the JSON token? Thanks.