I use uyuni to sync opensuse repos and a collegue is also trying to update an OpenSuse server today. They are both failing with similar messages. In my case:
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Repository 'opensuse_leap15_4-uyuni-client-x86_64' is invalid.
[opensuse_leap15_4-uyuni-client-x86_64|https://download.opensuse.org/reposit…] Valid metadata not found at specified URL
History:
- File './repodata/52efe3d5322d264e5f3ed960d4e7f818618c0f1f90a1f4231fe2e5cf82d258fd-primary.xml.gz' not found on medium 'https://download.opensuse.org/repositories/systemsmanagement:/Uyuni:/Stable…'
- Can't provide ./repodata/52efe3d5322d264e5f3ed960d4e7f818618c0f1f90a1f4231fe2e5cf82d258fd-primary.xml.gz
Please check if the URIs defined for this repository are pointing to a valid repository.
Skipping repository 'opensuse_leap15_4-uyuni-client-x86_64' because of the above error.
Could not refresh the repositories because of errors.
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https://github.com/openSUSE/MirrorCache/issues/383