# DentalSegmentator failed to load the segmentation with an error occurred during install : nnunetv2

**URL:** <https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-with-an-error-occurred-during-install-nnunetv2/38179>\
**Category:** Support\
**Tags:** segmentation, python, segmentations, segment-editor, dental\
**Created:** [September 3, 2024, 12:26pm UTC](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-with-an-error-occurred-during-install-nnunetv2/38179 "2024-09-03T12:26:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![igy](https://avatars.discourse-cdn.com/v4/letter/i/bbce88/32.png) [@igy](https://discourse.slicer.org/u/igy)\
**Post date:** [September 3, 2024, 12:26pm UTC](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-with-an-error-occurred-during-install-nnunetv2/38179/1 "2024-09-03T12:26:19Z")

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Hello，I encountered an error while applying the extension  
this was how it went

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/3/3/3322f11578a1ba52bf0ebd1878bcd1fb1ed6f10d.png)  
2024/09/03 16:42:23.363 :: Start nnUNet install with requirements : nnunetv2

2024/09/03 16:42:23.368 :: - Installing pandas…

2024/09/03 16:42:32.044 :: Install returned non-zero exit status : Command ‘[‘D:/Slicer 5.7.0-2024-08-28/bin/…/bin\PythonSlicer.EXE’, ‘-m’, ‘pip’, ‘install’, ‘pandas’]’ returned non-zero exit status 1… Attempting to continue…

2024/09/03 16:42:32.049 :: - Installing pillow\<10.1…

2024/09/03 16:42:40.689 :: Install returned non-zero exit status : Command ‘[‘D:/Slicer 5.7.0-2024-08-28/bin/…/bin\PythonSlicer.EXE’, ‘-m’, ‘pip’, ‘install’, ‘pillow\<10.1’]’ returned non-zero exit status 1… Attempting to continue…

2024/09/03 16:42:40.697 :: - Installing nnunetv2 --no-deps…

2024/09/03 16:42:49.326 :: Install returned non-zero exit status : Command ‘[‘D:/Slicer 5.7.0-2024-08-28/bin/…/bin\PythonSlicer.EXE’, ‘-m’, ‘pip’, ‘install’, ‘nnunetv2’, ‘–no-deps’]’ returned non-zero exit status 1… Attempting to continue…

2024/09/03 16:42:49.334 :: Error occurred during install : nnunetv2

And I switched module to pytorch utils, I tried many times,but it still showed that I fail to install pytorch like this.

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/6/5/6530683eb31412a7d42950ed1a50a61c9a2c9aa5.png)  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/0/e/0ed90977efbd18eeaa2111d2f096780e351e6236.png)  
How can I solve these problems?Thanks.