I had a similar problem and I was able to fix it. Maybe this will help others.
I just updated from version 4.0.3 to version 4.0.9 and suddenly no data was shown.
After looking carefully at the changes in the code I found out the issue.
In MySQL, a field in the popularpostssummary table was using a different name, it was called “last_viewed” and now it’s called “view_datetime”.
So I made the proper changes and I’m now back in business.
Excelente, genial!! 🙂
(Agregaré este el plugin en mi lista de favoritos.)