Issue Plesk fails to update?

[KieranK]

Im repeatidly getting the following errors with Plesk not updating:
Failed to install plesk-php56:
Error while downloading packages metainfo: failure: repodata/repomd.xml from dag: [Errno 256] No more mirrors to try.
http://apt.sw.be/redhat/el7/en/x86_64/dag/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found. Trying again.
http://apt.sw.be/redhat/el7/en/x86_64/dag/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.
Failed to install plesk-php56:
Error while downloading packages metainfo: failure: repodata/repomd.xml from dag: [Errno 256] No more mirrors to try.
http://apt.sw.be/redhat/el7/en/x86_64/dag/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found. Trying again.
http://apt.sw.be/redhat/el7/en/x86_64/dag/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.
Failed to install plesk-php56:
Number of retries is exceeded.
NoMoreMirrorsRepoError: failure: repodata/repomd.xml from dag: [Errno 256] No more mirrors to try.
http://apt.sw.be/redhat/el7/en/x86_64/dag/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found

ERROR: The Yum utility failed to install the required packages.

 

[IgorG]

http://apt.sw.be looks like some kind -f third-party repositories which don't work as expected. You can try to disable it in yum at least.