First I assign an imaging bundle to a group, then mark the group, and then to Action -> Apply assignes Imaging Bundle. I get a verification "Success: The selected devices have been set to apply their effective imaging bundle on their next check for imaging work." So far so good..
When I take a look at "Imaging Work" on a device in that group, its empty. (Scheduled Work: None)
The result is that none of the devices in that group will get the image on next reboot.

Why is that? Any suggestions?