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Error -1074135023 When Using NI-RFSG Python API

Updated Oct 7, 2025

Reported In

Driver

  • NI-RFSG

Programming Language

  • Python

Issue Details

I am attempting to use the NI-RFSG Python API but when I run the program I am getting Error: -1074135023: IVI: (Hex 0xBFFA0011) Function or method not supported as shown below. 

 

Solution

The NI-RFSG Python API support starts with version 2025 Q2 of the NI-RFSG driver. If you are using a version of the driver older than 2025 Q2, please upgrade to this version or newer in order to use the Python API. 

Additional Information

You can find additional information about the NI-RFSG Python API, as well as other NI drivers, from the NI Github page. Documentation and examples for using the NI-RFSG Python API can also be found here. 

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