LabView: Error -50103; operation could not be completed as specified

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I am receiving the Error -50103 "specified resource is reserved" when I try to write multiple simultaneous waveforms with a phase shift to multiple analog output channels. Why do I get the error? How do I prevent this?

The specified resource is reserved. The operation could not be completed as specified. Task Name: _unnamedTask<3>

Error -50103 occurred at DAQmx Write (Analog DBL 1Chan 1Samp). VI: 1

Possible reason(s):

The specified resource is reserved. The operation could not be completed as specified.

Task Name: _unnamedTask<3>

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Best Answer by Ryan cooke
Answered By 0 points N/A #164852

LabView: Error -50103; operation could not be completed as specified

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Hello Dean,

The "DAQmx Write" automatically may be starting the task if it is not explicitly done yet, and therefore the error that you are getting comes from the "DAQmx start.vi" for the task is already running.
You will therefore need to remove the "DAQmx start. VI" to resolve the issue.

Regards,

Nicke

Best Answer
Best Answer
Answered By 0 points N/A #164853

LabView: Error -50103; operation could not be completed as specified

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Based on National Instrument Costumer Support.

This error could be caused by accessing multiple analog input/output task. Please make sure that you restart/reset your DAQmx driver before executing the software again.

To prevent this error from occurring, creating multiple VIs channels might help. Please refer make this site if you are for more information. 

http://digital.ni.com/public.nsf/allkb/485201B647950BF886257537006CEB89

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