WSUS Assistent zur Serverbereinigung bricht ab beim Löschen nicht benötigter Updates mit Serverknoten zurücksetzen

@echo off 
set log=c:\psskript\wsus-cleanup.log 
set cleanupscript=c:\wsus\WSUS-Serverbereinigung.ps1 
set wsus-server-01=Server.xxxx.local 


echo. >> "%log%"   
echo ############################################################ >> "%log%"   
echo. >> "%log%"   
echo. >> "%log%"  

echo Cleanup Report %wsus-server-01% on %date%: >> "%log%"   
echo ------------------------------------------------------------ >> "%log%"   
"%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe" "%cleanupscript%" %wsus-server-01% >> "%log%"  

#Region VARIABLES

# WSUS Connection Parameters:
[String]$updateServer = "server.xxxx.local"  
[Boolean]$useSecureConnection = $False
[Int32]$portNumber = 80

# Cleanup Parameters:
# Decline updates that have not been approved for 30 days or more, are not currently needed by any clients, and are superseded by an aproved update.
[Boolean]$supersededUpdates = $True
# Decline updates that aren't approved and have been expired my Microsoft. 
[Boolean]$expiredUpdates = $True
# Delete updates that are expired and have not been approved for 30 days or more.
[Boolean]$obsoleteUpdates = $True
# Delete older update revisions that have not been approved for 30 days or more.
[Boolean]$compressUpdates = $True
# Delete computers that have not contacted the server in 30 days or more.
[Boolean]$obsoleteComputers = $True
# Delete update files that aren't needed by updates or downstream servers. 
[Boolean]$unneededContentFiles = $True

#EndRegion VARIABLES

#Region SCRIPT

# Load .NET assembly
[void][reflection.assembly]::LoadWithPartialName("Microsoft.UpdateServices.Administration")  

# Connect to WSUS Server
$Wsus = [Microsoft.UpdateServices.Administration.AdminProxy]::getUpdateServer($updateServer,$useSecureConnection,$portNumber)

# Perform Cleanup
$CleanupManager = $Wsus.GetCleanupManager()
$CleanupScope = New-Object Microsoft.UpdateServices.Administration.CleanupScope($supersededUpdates,$expiredUpdates,$obsoleteUpdates,$compressUpdates,$obsoleteComputers,$unneededContentFiles)
$CleanupManager.PerformCleanup($CleanupScope)

#EndRegion SCRIPT

Ausnahme beim Aufrufen von "PerformCleanup" mit 1 Argument(en):  "@errorMessage  
spDeleteUpdate got error from spDeleteRevision"  
In C:\Users\administrator\Downloads\wsuscleanup.ps1:28 Zeichen:1
+ $CleanupManager.PerformCleanup($CleanupScope)
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) , MethodInvocationException
    + FullyQualifiedErrorId : SqlException

(44 Zeile(n) betroffen)
Deleting 549068
Meldung 50000, Ebene 16, Status 1, Prozedur spDeleteRevision, Zeile 33
@errorMessage
Meldung 50000, Ebene 16, Status 1, Prozedur spDeleteUpdate, Zeile 72
spDeleteUpdate got error from spDeleteRevision
Deleting 549067
Meldung 50000, Ebene 16, Status 1, Prozedur spDeleteRevision, Zeile 33
@errorMessage
Meldung 50000, Ebene 16, Status 1, Prozedur spDeleteUpdate, Zeile 72
spDeleteUpdate got error from spDeleteRevision
.... geht noch viel weiter 

exec spDeleteUpdate @localUpdateID=549068

Meldung 50000, Ebene 16, Status 1, Prozedur spDeleteRevision, Zeile 33
@errorMessage
Meldung 50000, Ebene 16, Status 1, Prozedur spDeleteUpdate, Zeile 72
spDeleteUpdate got error from spDeleteRevision