Solution
Follow these steps to install the required drivers (NI-VISA) and resolve this error.
1. Install the latest NI-VISA drivers from the
driver website.
2. Restart the computer
3. Open and run the VI again. The error message should not appear. If other drivers needed, see:
Installation Order for Multiple NI Hardware and Software Products to ensure the drivers are installed in the correct order.
If you already have NI-VISA installed, check the version of NI-VISA is compatible with your version of LabVIEW:
NI-VISA and LabVIEW Version Compatibility.