IComparer: 'PSMapNodeComparer': Either a value does not compare equal to itself, or one value repeatedly compared to another value yields different results.

[iRon7]

if ($SortOutput -eq $false)
{
    Write-Log -Object 'Sorting Basic configuration data on Priority'
    $basicConfigNode = $basicConfigNode | Sort-ObjectGraph -PrimaryKey 'NodeName', 'Identity', 'Id', 'UniqueId', 'Priority' -MaxDepth 20
    Write-Log -Object ' '
}

##[error]Sort-ObjectGraph : Exception calling "Sort" with "1" argument(s): "Unable to sort because the IComparer.Compare() method returns inconsistent results. Either a value does not compare equal to itself, or one value repeatedly compared to another value yields different results. IComparer: 'PSMapNodeComparer'."
At D:\a\1\s\CICD\Scripts\PreBuild.ps1:217 char:43

• … onfigNode | Sort-ObjectGraph -PrimaryKey 'NodeName', 'Identity', 'Id' …

•           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• CategoryInfo : NotSpecified: (:) [ConvertTo-SortedObjectGraph], MethodInvocationException
• FullyQualifiedErrorId : ArgumentException,ConvertTo-SortedObjectGraph
  ##[error]PowerShell exited with code '1'.