It’s a bare-metal installation. Fixed a wrong link and a missing key to a repository, ran an update and did a reboot. Running zypper ref -f, I now get:
> sudo zypper ref -f
Forcing raw metadata refresh
Retrieving repository 'Grafana OSS' metadata .......................................................[done]
Forcing building of repository cache
Building repository 'Grafana OSS' cache ............................................................[done]
Forcing raw metadata refresh
Retrieving repository 'Non-OSS Repository' metadata ................................................[done]
Forcing building of repository cache
Building repository 'Non-OSS Repository' cache .....................................................[done]
Forcing raw metadata refresh
Retrieving repository 'Main Repository' metadata ...................................................[done]
Forcing building of repository cache
Building repository 'Main Repository' cache ........................................................[done]
Forcing raw metadata refresh
Retrieving repository 'Main Update Repository' metadata ............................................[done]
Forcing building of repository cache
Building repository 'Main Update Repository' cache .................................................[done]
Forcing raw metadata refresh
Retrieving repository 'Update Repository (Non-Oss)' metadata .......................................[done]
Forcing building of repository cache
Building repository 'Update Repository (Non-Oss)' cache ............................................[done]
Forcing raw metadata refresh
Retrieving repository 'Tools for log analysis (openSUSE_Leap_15.3)' metadata .......................[done]
Forcing building of repository cache
Building repository 'Tools for log analysis (openSUSE_Leap_15.3)' cache ............................[done]
All repositories have been refreshed.
I am not getting any more errors in the log, so it seems that was it. Thanks for the input.
As for non-oss; I am not sure whether non-oss is needed. I suppose it was added to the repos for a reason…