Sorry to hear that.
Apparently it works in English:
but not in German:
This is a matter of training data in German which probably should be enhanced or adjusted.
@stritti did all the work there - and this is (of course) absolutely not criticism 
What you can try for now is to have a “companion” Switch or a Dimmer item to control your rollershutter (with rules) and tag that in HABot instead, it should work better with orders… But you won’t get the nice 3-button control anymore.