Heres the error message(my earlier question):

[adam_edgar]

There is no library specified for this node. Pop up on the Call Library Function node and select Configure..., then choose a library name or path.

[Kim L]

Hello,

Due to the bulletin board nature of Developer Exchange, I am unable to find your previous question. If you question has not been answered, please email us by going to www.ni.com/ask and selecting "Email an Engineer".

Thanks,

Kim L.
Applications Engineer
National Instruments