error in my VI

[gnag]

my VI is showing the following error :
code: -2147417851
source: the server threw an exception. in IScanDefaults.vican any body guess wht this might b
thanks

[Steve.Briggs]

Hey,

What version of LabVIEW did you experience this error in?

I'm having trouble locating anything about it..

[altenbach]

What is the program supposed to do? Would you mind attaching the offending VI?