The repository's publication is missing

[Jazzer2007]

I can assure it affects both deb and yum repositories, I posted a solution for fixing (workaround) the error in another thread here:

Smart Proxy Sync failure

I was able to solve the issue by doing the following: Delete the Content View in the WebUI (you’ll need to attach any hosts to a different CV, I suggest creating a CV with no repositories) You can either delete the repositories here, or for a simpler solution visit each repository from the Content View and set to OnDemand (skip this if already OnDemand repo). Reclaim Space for the Repository and then set back to Immediate. Perform an advanced complete sync. Recreate the content view and publis…