# Lung CT analyzer - error message

**URL:** <https://discourse.slicer.org/t/lung-ct-analyzer-error-message/40348>\
**Category:** Support\
**Tags:** lung\
**Created:** [November 23, 2024, 4:07pm UTC](https://discourse.slicer.org/t/lung-ct-analyzer-error-message/40348 "2024-11-23T16:07:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sira](https://avatars.discourse-cdn.com/v4/letter/s/6de8d8/32.png) [@sira](https://discourse.slicer.org/u/sira)\
**Post date:** [November 23, 2024, 4:07pm UTC](https://discourse.slicer.org/t/lung-ct-analyzer-error-message/40348/1 "2024-11-23T16:07:39Z")

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please help to solve this message!

 ![lung error](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/1/b/1ba0edf3d92f3b1536752acbdb89dad760829b85.jpeg)

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**Author:** ![mau\_igna\_06](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mau_igna_06/32/9056_2.png) [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Post date:** [November 23, 2024, 6:17pm UTC](https://discourse.slicer.org/t/lung-ct-analyzer-error-message/40348/2 "2024-11-23T18:17:48Z")

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I think inside the input segmentation of the 2nd selector, there should be a segment named “right lung”.

HIH