@peter: I was not able to reproduce this issue with the latest snap. Could you give it a try on different sat instance?
Also, could you have a look at https://sat63-qa-rhel7.example.com/foreman_tasks/dynflow/worlds and use 'check status` link to see, what's the dynflow's status?
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA.
For information on the advisory, and where to find the updated files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2018:0336