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Created attachment 1697765 [details]
traceback.log

Description of problem:
When updating a host profile, the following error occurs:

ArgumentError: invalid argument: nil.

Traceback attached.

Version-Release number of selected component (if applicable):
Sat 6.8 snap 4.0.

How reproducible:
Happens on my setup with client being clean RHEL 7.8 just registered to the Satellite

Steps to Reproduce:
1. Have a Satellite and a host registered to it
2. host # yum update -y
3. In the WebUI, go to Monitoring -> Tasks

Actual results:
There is a failed task "Combined Profile Update for <host>", action "Actions::Katello::Host::UploadProfiles" in the state of Warning.

Expected results:
No error.

Upstream bug assigned to iballou

Moving this bug to POST for triage into Satellite since the upstream issue https://projects.theforeman.org/issues/29961 has been resolved.

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 (Important: Satellite 6.8 release), 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-2020:4366