When looking at the drill down report in "How current is my inventory" it fails to load:
ITMS 8.x
The SQL used for that drill-down is comparing two data types that are not comparable - a character string and a date.
This was resolved in a later version and the short term workaround was the following SQL Query that can be run from SQL Management Studio:
update Item
set State = REPLACE (cast (State as nvarchar (max)), 'ELSE rus.[ModifiedDate] END', 'ELSE cast (rus.[ModifiedDate] as nvarchar (110)) END')
where Guid = '480738d1-8d00-4bb8-9942-438a86db0913'