Well the more common one would be that a sucessful backup was not completed and you have EV configured so as it does not shortcut until a sucessful backup is done
Yes, this is because EV is not backed up.
If you do not back it up intentionally, you may want to set your Vault Store Partitions' Safety Copy setting to "Immediately".
Recently some guys who are using BE to backup the EV is telling me that they can´t see the databases from the EV. They have to backup the databases using the sql agent.
In this moment I only have one user with space held....