Wow, I did not know there were two different things... I thought it just meant it was a base error.
Neil, can you provide all of the code that you have that controls your DAQmx stuff? You're showing a small part of the whole DAQmx process and it's just not enough information to get to the root of the problem.
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Gotcha. That's the problem though there are hundreds of subvi's most of which were made in 1999 and I cannot open. I tried to upscale these versions; however, it looks like they had their block diagrams removed.