Error loading FLAC: The file is not a valid FLAC file: In Verify Flac Identity

[arsinclair]

The FLAC file is unable to be loaded. Error:

{FlacLibSharp.Exceptions.FlacLibSharpInvalidFormatException: The file is not a valid FLAC file: In Verify Flac Identity
at FlacLibSharp.FlacFile.VerifyFlacIdentity()
at FlacLibSharp.FlacFile.Initialize()
at FlacLibSharp.FlacFile..ctor(String path)

The file in question is attached below:
04. Give Us A Sign.zip