Failed to download metadata for repo 'BaseOS': Yum repo downloading error: Downloading error(s): repodata/18b916195629c8cac7d07ece1dbe61ec2b48bb835ea72f5ecc837976a52d5726-productid.gz - Cannot download, all mirrors were already tried without success
This looks similar to https://learn.redhat.com/t5/Red-Hat-Academy/having-issue-with-repo/m-p/6624/highlight/true#M333; can you show the steps you took and the repos you have configured?
Thanks for sharing @Jeff_Schaller!
