$AzureCred = Get-AutomationPSCredential -Name "ks"
Add-AzureRmAccount -Credential $AzureCred | Out-Null
Invoke-ProcessTable -Credential $AzureCred -DatabaseName DBNAME -RefreshType
"Full" -Server SERVERNAME -TableName TABLENAME

Invoke-ProcessTable : Exception has been thrown by the target of an invocation.
At line:25 char:1
+ Invoke-ProcessTable -Credential $AzureCred -DatabaseName DBNAME -R ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Invoke-ProcessTable], TargetInvocationException
    + FullyQualifiedErrorId :
System.Reflection.TargetInvocationException,Microsoft.AnalysisServices.PowerShell.Cmdlets.ProcessTable