It seems that Google has just updated their analytics and are no longer giving analytics using the UA formatted tags. Instead they are now using G tags, but the spreadshop settings do not yet allow using the G tags. When will this be changed.
The google analytics app (iPhone) isn’t working at least for me. The web interface is, but my guess is that it will not be for long because google wants us to upgrade to the G tags.
We are working on the possibility to add a G tag. For now this is how you can proceed:
https://support.google.com/analytics/answer/10269537