"...git@transfer.hft-stuttgart.de:icity/energydashboard.git" did not exist on "9e9002e743d2a34bd01eeebfe3a36459ca127b37"
Tags give the ability to mark specific points in history as being important
Repository has no tags yet.
Use git tag command to add a new one:
git tag -a v1.4 -m 'version 1.4'