When running the membership revenue does report on certain days there is revenue being calculated for $0.00. On these days there were no membership transactions done at these levels and on most days levels do not show up unless there were transactions completed.
We are currently evaluating this issue and will update this article when we have more information.
Steps to Duplicate
1. Go to membership 2. Under reports go to Membership dues report 3. Filter on the membership program membership 4. Filter on the date 9/19/2017 (it only seems to be happening on this date) 5. Click view report 6. See that levels are showing with $0.00 collected.