Today when I tried to Refresh the data in my Power BI Desktop reports I'm getting an error message... "The model doesn't have a named expression named Calculations" I've tried several other R...
I had the same problem.
When I created the Measures table I Deleted the one column that was in the table in order to get the Caculator icon and have the "table" appear in the top of the list.
As dharsanj describes above, I went to the Query editor and removed the last step "Removed Column" and then went back to the report.
Now the measures table is present and Refresh is working, but the Icon for the measures table is now a normal Table Icon and the table appears "in the middle" of the list of tables.
In stead of deleting the 1 column in the Measures table I right clicked it and marked is as "Hide" . Collapsed the view and reopened and the Measures icon is back and the Measures table in appearing in the top of the view.