My widget displays the message: "Data not found"

Problem

There is a message "Data not found" shown on my widget in the dashboard.

When did I connect my application?
- If this is the first time you are synchronizing your data, depending on the size of your account, it may take several minutes.
Have I refresh the widget?
Do I have relevant apps on my platform?
Do I have data in my app?
Do I have the data in my app that is used for that widget?
- Widgets documentation