New to solarwinds

I am very new to solarwinds and I am just trying to run a few simple powershell templates.  

$TimeZone = (Get-WmiObject -class Win32_TimeZone).StandardName
Write-Host "Statistic:" $TimeZone
Write-Host "Message:" $TimeZone

or

$kb=get-hotfix -id KB5004238,KB5004244,KB5004289,KB5004294,KB5004298,KB5004305 -ErrorAction SilentlyContinue

$KBInstall = $KB.HotFixID

Write-Host "Statistic: $KBInstall"
Write-Host "Message: $KBInstall"

I does give me the data I want but I get an error

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