PS D:\MAX> .\Create-DevboardKey.ps1 -ImagePath Setup\sources\install.wim -Index
2
You must provide a value expression on the right-hand side of the '-' operator.
At D:\MAX\Create-DevboardKey.ps1:313 char:42
+             } elseif ($DiskNumber.Value - <<<< notin ($disks | Select-Object
-ExpandProperty Number)) {
    + CategoryInfo          : ParserError: (:) [], ParseException
    + FullyQualifiedErrorId : ExpectedValueExpression