Challenge
You receive an error stating "Object 'GUID' was not found when going into the Backups Pane.
Cause
The object it is looking for is no longer in the database and the backups that are causing the error needs to be removed from the database.
Solution
Run the following powershell script by performing the following steps:
Open Veeam Backup & Replication
Tools -> Powershell
Get-VBRBackup | ?{-not $_.vmcount} | %{$_.Delete()}
If you do not have the Veeam Powershell Snapin installed, please check out the following KB article: KB1489