This error gets me from time to time, regardless which server vendor, mostly on hosts that were upgraded a couple of times. In this case it was a ESXi host currently running a pretty old build of ESXi 6.7 U3 and my job was the upgrade to 7.0 Update 3c.
If you add a upgrade baseline to the cluster or host, and you try to remediate the host, the task fails with a dependency error. When taking a closer look into the taks details, you were getting told that the task has failed because of a failed dependency, but not which VIB it caused.

You can find the name if the causing VIB on the update manager tab of the host which you tried to update.… Read more