Export Table Sizes fails due to missing alias on the SQL Query:

Fails in OutSystems cloud hosted environments because the subquery doesn't have an alias.

I've added one in the image and it then works.

It then attempts to append the totals query result to itself and fails!

It should be this:

Also, it only exports the current page which is useless, whoever created the export copied the page source query and forgot to remove the offset and fetch next restrictions: