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Hi Julio, the hint with the apache was helpful! It turned out that there was an old vhost configuration. No idea why it didn't cause troubles in the past and why there is a problem now but after removing the respective vhost config spacewalk-common-channels works as expected now. Afterwards spacewalk-repo-sync populated the channel and mgr-create-bootstrap-repo terminated without missing packages. -----Ursprüngliche Nachricht----- Von: Julio Gonzalez via Uyuni Users [mailto:users@lists.uyuni-project.org] Gesendet: Dienstag, 29. November 2022 17:31 I'd expect the HTTP 400 from the Uyuni API, and some logs at /var/log/hrn, but maybe somehow the problem is at Apache. Try to check `/var/log/apache2/` or even the output of `journalctl` (as root).