# Errores. No funciona nada

**URL:** <https://discourse.slicer.org/t/errores-no-funciona-nada/47706>\
**Category:** Support\
**Created:** [July 21, 2026, 2:38pm UTC](https://discourse.slicer.org/t/errores-no-funciona-nada/47706 "2026-07-21T14:38:14Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Gonzalo\_Rossel](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/gonzalo_rossel/32/82635_2.png) [@Gonzalo\_Rossel](https://discourse.slicer.org/u/Gonzalo_Rossel)\
**Post date:** [July 21, 2026, 2:38pm UTC](https://discourse.slicer.org/t/errores-no-funciona-nada/47706/1 "2026-07-21T14:38:14Z")

</div>

Problem report for 3D Slicer 5.12.1 win-amd64: [please describe expectedand actual behavior]

[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Session start time …: 20260720\_225048  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Slicer version …: 5.12.1 (revision 34624 / 5f75443) win-amd64 - installed release  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Operating system …: Windows / Professional / (Build 26200, Code Page 65001) - 64-bit  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Memory …: 130962 MB physical, 139154 MB virtual  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - CPU …: GenuineIntel , 20 cores, 20 logical processors  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - VTK configuration …: OpenGL2 rendering, TBB threading  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Qt configuration …: version 5.15.2, with SSL, requested OpenGL 3.2 (core profile)  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - DCMTK configuration …: version 3.7.0, no SSL  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Internationalization …: disabled, language=  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Developer mode …: disabled  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Application path …: C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/bin  
[DEBUG][Qt] 20.07.2026 22:50:48 (unknown:0) - Additional module paths ..: [slicer.org/Extensions-34624/AAL3BrainLabeling/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/AAL3BrainLabeling/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/SlicerElastix/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/SlicerElastix/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/NNUNet/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/NNUNet/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/DentalSegmentator/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/DentalSegmentator/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/SlicerPythonTestRunner/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/SlicerPythonTestRunner/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/FootSegmentation/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/FootSegmentation/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/MONAIAuto3DSeg/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/MONAIAuto3DSeg/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/MuscleMap/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/MuscleMap/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/NvidiaAIAssistedAnnotation/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/NvidiaAIAssistedAnnotation/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/PET-MUST-Segmenter/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/PET-MUST-Segmenter/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/SlicerRadiomics/lib/Slicer-5.12/cli-modules](http://slicer.org/Extensions-34624/SlicerRadiomics/lib/Slicer-5.12/cli-modules), [slicer.org/Extensions-34624/SlicerRadiomics/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/SlicerRadiomics/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/PETDICOMExtension/lib/Slicer-5.12/cli-modules](http://slicer.org/Extensions-34624/PETDICOMExtension/lib/Slicer-5.12/cli-modules), [slicer.org/Extensions-34624/PETDICOMExtension/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/PETDICOMExtension/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/TotalSegmentator/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/TotalSegmentator/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/UpperAirwaySegmentator/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/UpperAirwaySegmentator/lib/Slicer-5.12/qt-scripted-modules), [slicer.org/Extensions-34624/PyTorch/lib/Slicer-5.12/qt-scripted-modules](http://slicer.org/Extensions-34624/PyTorch/lib/Slicer-5.12/qt-scripted-modules)  
[INFO][Stream] 20.07.2026 22:50:48 (unknown:0) -  
[INFO][Python] 20.07.2026 22:50:50 [Python] (C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/slicer.org/Extensions-34624/FootSegmentation/lib/Slicer-5.12/qt-scripted-modules/FootSegmentation.py:110) - FootSegmentation sample data registered successfully  
[DEBUG][Python] 20.07.2026 22:50:51 [Python] (C:\Users\Gonzalo Rossel\AppData\Local\slicer.org\3D Slicer 5.12.1\lib\Slicer-5.12\qt-scripted-modules\SubjectHierarchyPlugins\AbstractScriptedSubjectHierarchyPlugin.py:40) - Scripted subject hierarchy plugin registered: SegmentEditor  
[DEBUG][Python] 20.07.2026 22:50:51 [Python] (C:\Users\Gonzalo Rossel\AppData\Local\slicer.org\3D Slicer 5.12.1\lib\Slicer-5.12\qt-scripted-modules\SubjectHierarchyPlugins\AbstractScriptedSubjectHierarchyPlugin.py:40) - Scripted subject hierarchy plugin registered: SegmentStatistics  
[DEBUG][Qt] 20.07.2026 22:50:51 (unknown:0) - Switch to module: “Welcome”  
[DEBUG][Python] 20.07.2026 22:50:51 [Python] (C:\Users\Gonzalo Rossel\AppData\Local\slicer.org\3D Slicer 5.12.1\lib\Slicer-5.12\qt-scripted-modules\SubjectHierarchyPlugins\AbstractScriptedSubjectHierarchyPlugin.py:40) - Scripted subject hierarchy plugin registered: Elastix  
[INFO][Python] 20.07.2026 22:50:51 [Python] (C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/slicer.org/Extensions-34624/NvidiaAIAssistedAnnotation/lib/Slicer-5.12/qt-scripted-modules/SegmentEditorNvidiaAIAA.py:32) - This plugin dir: C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/slicer.org/Extensions-34624/NvidiaAIAssistedAnnotation/lib/Slicer-5.12/qt-scripted-modules  
[DEBUG][Qt] 20.07.2026 22:50:55 (unknown:0) - Switch to module: “DICOM”  
[WARNING][Python] 20.07.2026 22:51:09 [Python] (C:\Users\Gonzalo Rossel\AppData\Local\slicer.org\3D Slicer 5.12.1\lib\Slicer-5.12\qt-scripted-modules\DICOMLib\DICOMUtils.py:757) - Geometric issues were found with 1 of the series. Please use caution.  
[INFO][Python] 20.07.2026 22:51:10 [Python] (C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/bin/../lib/Slicer-5.12/qt-scripted-modules/DICOMScalarVolumePlugin.py:445) - Loading with imageIOName: GDCM  
[WARNING][ITK] 20.07.2026 22:51:12 (unknown:0) - WARNING: In C:\D\S\S-0-build\ITK\Modules\IO\ImageBase\include\itkImageSeriesReader.hxx, line 478  
ImageSeriesReader (000001F16E66B240): Non uniform sampling or missing slices detected, maximum nonuniformity:0.000630768  
[DEBUG][Python] 20.07.2026 22:51:12 [Python] (C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/bin/../lib/Slicer-5.12/qt-scripted-modules/DICOMScalarVolumePlugin.py:567) - DICOM window/level (40.0/400.0) set to volume ‘8: AX PB - imageType DERIVED-PRIMARY-AXIAL-CT\_SOM5 MPR’ from SOP instance 1.3.12.2.1107.5.1.4.64848.30000026052116425836600008641.  
[DEBUG][Python] 20.07.2026 22:51:12 [Python] (C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/bin/../lib/Slicer-5.12/qt-scripted-modules/DICOMScalarVolumePlugin.py:567) - DICOM window/level (-600.0/1200.0) set to volume ‘8: AX PB - imageType DERIVED-PRIMARY-AXIAL-CT\_SOM5 MPR’ from SOP instance 1.3.12.2.1107.5.1.4.64848.30000026052116425836600008641.  
[DEBUG][Python] 20.07.2026 22:51:12 [Python] (C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/bin/../lib/Slicer-5.12/qt-scripted-modules/DICOMScalarVolumePlugin.py:944) - Irregular volume geometry detected, but maximum error is within tolerance (maximum error of 0.000854271 mm, tolerance threshold is 0.001 mm).  
[DEBUG][Qt] 20.07.2026 22:51:35 (unknown:0) - Switch to module: “TotalSegmentator”  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - Traceback (most recent call last):  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - File “C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/slicer.org/Extensions-34624/TotalSegmentator/lib/Slicer-5.12/qt-scripted-modules/TotalSegmentator.py”, line 319, in onApplyButton  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - self.logic.setupPythonRequirements()  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - File “C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/slicer.org/Extensions-34624/TotalSegmentator/lib/Slicer-5.12/qt-scripted-modules/TotalSegmentator.py”, line 847, in setupPythonRequirements  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - if not torchLogic.torchInstalled():  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - ^^^^^^^^^^^^^^^^^^^^^^^^^^^  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - File “C:/Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/slicer.org/Extensions-34624/PyTorch/lib/Slicer-5.12/qt-scripted-modules/PyTorchUtils.py”, line 162, in torchInstalled  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - metadataPath = [p for p in importlib.metadata.files(‘torch’) if ‘METADATA’ in str(p)][0]  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
[CRITICAL][Stream] 20.07.2026 22:51:43 (unknown:0) - TypeError: ‘NoneType’ object is not iterable  
[ERROR][Python] 20.07.2026 22:51:43 [Python] (C:\Users/Gonzalo Rossel/AppData/Local/slicer.org/3D Slicer 5.12.1/bin/Python\slicer\util.py:3326) - Failed to install required packages.

‘NoneType’ object is not iterable  
[WARNING][Qt] 20.07.2026 22:52:02 (unknown:0) - An OpenGL Core Profile was requested, but it is not supported on the current platform. Falling back to a non-Core profile. Note that this might cause rendering issues.  
[WARNING][Qt] 20.07.2026 22:52:07 (unknown:0) - A cookie associated with a cross-site resource at [http://www.nitrc.org/](http://www.nitrc.org/) was set without the `SameSite` attribute. A future release of Chrome will only deliver cookies with cross-site requests if they are set with `SameSite=None` and `Secure`. You can review cookies in developer tools under Application\>Storage\>Cookies and see more details at [Chrome Platform Status](https://www.chromestatus.com/feature/5088147346030592) and [Chrome Platform Status](https://www.chromestatus.com/feature/5633521622188032).

---

<div class="post-metadata">

**Author:** ![aiden.zhu](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/aiden.zhu/32/67145_2.png) [@aiden.zhu](https://discourse.slicer.org/u/aiden.zhu)\
**Post date:** [July 21, 2026, 5:54pm UTC](https://discourse.slicer.org/t/errores-no-funciona-nada/47706/2 "2026-07-21T17:54:33Z")

</div>

It seems something happened to pytorch? Maybe.

Option-A:  
Reinstall PyTorch via Slicer’s PyTorch Extension  
Open 3D Slicer.  
Go to the PyTorch module ( search for it in the module dropdown).  
Click Uninstall PyTorch (or force reinstall if the option exists).  
Click Install PyTorch (select CUDA if you have a compatible NVIDIA GPU, or CPU otherwise).  
Restart 3D Slicer and try running TotalSegmentator again.

Option-B:  
Clean the Python Environment manually  
If the method-A doesn’t work, clean up the corrupted package from Slicer’s internal Python console:  
Open 3D Slicer.  
Open the Python Console (View → Python Console, or press Ctrl + 3).  
Run the following lines:  
import slicer  
slicer.util.pip\_install(“–force-reinstall light-the-torch”)  
slicer.util.pip\_install(“–force-reinstall torch torchvision torchaudio”)  
then restart slicer

Good luck.