Standard issue. You seem to have hit a not properly synced mirror. Wait it out or chose another dedicated mirror when the issue persists…
Passwort:
test:~ # LANG=C zypper ref
Repository 'Update repository of openSUSE Backports' is up to date.
Repository 'Non-OSS Repository' is up to date.
Repository 'Open H.264 Codec (openSUSE Leap)' is up to date.
Repository 'Haupt-Repository' is up to date.
Retrieving repository 'Update repository with updates from SUSE Linux Enterprise 15' metadata ..........................................................................................................................................................................[done]
Building repository 'Update repository with updates from SUSE Linux Enterprise 15' cache ...............................................................................................................................................................................[done]
Repository 'Hauptaktualisierungs-Repository' is up to date.
Repository 'Aktualisierungs-Repository (Nicht-Open-Source-Software)' is up to date.
All repositories have been refreshed.
test:~ #
test:~ # zypper lr -d
# | Alias | Name | Enabled | GPG Check | Refresh | Priority | Type | URI | Service
--+-----------------------+--------------------------------------------------------------+---------+-----------+---------+----------+--------+-------------------------------------------------------------------+--------
1 | repo-backports-update | Update repository of openSUSE Backports | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.5/backports/ |
2 | repo-non-oss | Non-OSS Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/distribution/leap/15.5/repo/non-oss/ |
3 | repo-openh264 | Open H.264 Codec (openSUSE Leap) | Yes | (r ) Yes | Yes | 99 | rpm-md | http://codecs.opensuse.org/openh264/openSUSE_Leap/ |
4 | repo-oss | Haupt-Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/distribution/leap/15.5/repo/oss/ |
5 | repo-sle-update | Update repository with updates from SUSE Linux Enterprise 15 | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.5/sle/ |
6 | repo-update | Hauptaktualisierungs-Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.5/oss |
7 | repo-update-non-oss | Aktualisierungs-Repository (Nicht-Open-Source-Software) | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.5/non-oss/ |
test:~ #