# Install error with dentalsegmentator (returned non-zero exit status 1) **URL:** \ **Category:** Support\ **Tags:** segmentation, segmentations, segment-editor, ai, dental\ **Created:** [August 14, 2024, 8:01am UTC](https://discourse.slicer.org/t/install-error-with-dentalsegmentator-returned-non-zero-exit-status-1/37879 "2024-08-14T08:01:28Z")\ **Posts on this page:** 1\ **Page:** 1

**Author:** ![cedar0625](https://avatars.discourse-cdn.com/v4/letter/c/a4c791/32.png) [@cedar0625](https://discourse.slicer.org/u/cedar0625)\ **Post date:** [August 14, 2024, 8:01am UTC](https://discourse.slicer.org/t/install-error-with-dentalsegmentator-returned-non-zero-exit-status-1/37879/1 "2024-08-14T08:01:29Z")

I just installed the dentalsegmentator extension in Slicer 5.7.0-2024-08-08. When running the extension for the first time, this error appears. 2024/08/14 09:09:47.207 :: Start nnUNet install with requirements : nnunetv2 2024/08/14 09:09:47.210 :: - Installing pandas… 2024/08/14 09:09:55.350 :: Install returned non-zero exit status : Command ‘[‘D:/Software/Slicer/Slicer 5.7.0-2024-08-08/bin/…/bin\PythonSlicer.EXE’, ‘-m’, ‘pip’, ‘install’, ‘pandas’]’ returned non-zero exit status 1… Attempting to continue… 2024/08/14 09:09:55.353 :: - Installing pillow\<10.1… 2024/08/14 09:10:03.382 :: Install returned non-zero exit status : Command ‘[‘D:/Software/Slicer/Slicer 5.7.0-2024-08-08/bin/…/bin\PythonSlicer.EXE’, ‘-m’, ‘pip’, ‘install’, ‘pillow\<10.1’]’ returned non-zero exit status 1… Attempting to continue… 2024/08/14 09:10:03.385 :: - Installing nnunetv2 --no-deps… 2024/08/14 09:10:11.400 :: Install returned non-zero exit status : Command ‘[‘D:/Software/Slicer/Slicer 5.7.0-2024-08-08/bin/…/bin\PythonSlicer.EXE’, ‘-m’, ‘pip’, ‘install’, ‘nnunetv2’, ‘–no-deps’]’ returned non-zero exit status 1… Attempting to continue… 2024/08/14 09:10:11.403 :: Error occurred during install : nnunetv2 Please help with detailed steps on how to solve this. Many thanks.