Airway Segmentation is working fine on sample CT but raises an error when running on my CT

As I say in the title I’m using a toolbox (airway segmentation). When I use it on a CT from “Sample Data” the toolbox runs fine and give the appropriate results. However, when I try to run it on my CTs I have an error. (the program doesn’t finish and I don’t have a result)
The error is AttributeError: ‘NoneType’ object has no attribute ‘SetTag’ if that helps

Has anyone ever run into a similar issue ?
Is there something I should check about my CTs ?
Thank you in advance :blush:


Which airway segmentation are you using?


is unstable and has not been maintained for a long time.

Try the LungCTSegmenter from the LungCTAnalyzer package.
It has an airway segmentation option.