hi @Per , yeah i had been running this yesterday to test/play with generating reports, so I know it was working then, must have been broken at some point in the last 24 hours. Error 500 suggests to me its server based but I cant see why it wouldn't be fine as the URL loaded manually from a browser works fine!
It appears as though the base URL for the index is not exposing the data within XML table tags to the download tool. These are returning as blank. When I go into the page source, I go to inspect the page elements the element for the tables and the source is blank: