Error -200077 Requested value is not a supported value for this property. The property value may be invalid because it conflicts with another property.
Depending on what NI Data Acquisition (DAQ) device your application uses and also I/O type of the channel, certain terminals will only accept certain inputs.
In the body of the error message, the property will let you know what terminal on the DAQmx Function is reporting the error, the "Requested Value" indicates what value you are currently attempting to pass, and "Possible Values" informs what an acceptable input would be. Changing the value to one of the "Possible Values" will resolve this error. In the above screenshots for a multifunction DAQ device, the only acceptable values are as follows:
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