[Solved] How can I delete teams?

I read the cli docu linked above but its not working for me:

root@254daecba851:/mattermost/bin#sudo ./platform team delete AMS
Have you performed a database backup? (YES/NO):
YES
Are you sure you want to delete the teams specified?  All data will be permanently deleted? (YES/NO):
YES
Unable to find team 'AMS'
root@254daecba851:/mattermost/bin#

I also tried sudo ./platform team delete "AMS" and its not working either, same error. I do see the team though in my System Console.

Any thoughts?