Severity parameter is case-sensitive.

[imfrancisd]

When running the command:

    invoke-scriptanalyzer .\a.ps1 -severity error

invoke-scriptanalyzer will throw an ArgumentException.

[yutingc]

Hi @imfrancisd, thanks for reporting this! We will fix this issue as soon as possible!

[yutingc]

Hi @imfrancisd , the bug is fixed and submitted into BugFixes. #148