Tag Archives: cannot call method null-valued expression

Misleading PowerShell Exceptions–Example #1

In PowerShell 5.0 on Windows 10 was looking at a script with function not working: The exception thrown by Powershell was: You cannot call a method on a null-valued expression.At C:\Users\chentiangemalc\Documents\Scripts\Test.ps1:5 char:9+     if ([System.String]::IsNullOrWhiteSpace($condition))+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    + CategoryInfo          : InvalidOperation: (:) … Continue reading

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