Bug in Agilent 34401 LabVIEW driver?

I was surprised when I tried to use this driver in a larger application. One of my other drivers puts a warning about "more data may be available" and when fed into the Read Single Point.vi of this driver it results in a full blown time out error message. I thought that other drivers were supposed to pass these types of warnings through without any ill effects? I found a workaround by erasing this specific warning message but was wondering if this is expected behavior? See attached with default warning message sent in. 
Using LabVIEW 2010SP1 and TestStand 4.5
Attachments:
34401FailWarning.vi ‏17 KB

NathanT,
 The Precon driver I am using is located here. I'm still confused as to why a warning flag coming in on the error input should cause the 34401 driver to fail. This same warning flag/error line is sent through this driver without any ill effects. I thought that a warning would just be passed through as it really isn't an error?
Using LabVIEW 2010SP1 and TestStand 4.5

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