getdata giving "An unexpected error occurred."

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Adam 2011-8-9

Occassionally I'll get an error when I make a getdata call. Here is the sample code and the error it throws.

Code:

[DAQ_data, DAQ_time] = getdata(ai, ai.SamplesAcquired);

Error:

??? An unexpected error occurred.
Error in ==> analoginput.getdata at 199
    [varargout{1:nout}]=getdata(uddobj,samples,dataformat);

Anyone seen this before and have any recommendations on fixing it?

Thank you!

Adam 2011-8-9

Yep -- I'm doing multiple getdata calls in the same ML session/script.

Adam 2011-8-10

Between getdata calls the only calls I'm making to my ai object are start() and stop().

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