Hello,
Thank you for your quick response.
I don’t know if this is related, but this started happening after installing SlicerIGT extension, and I have tried deleting and reinstalling this as well - but no change.
The following is the python script when I open slicer:
Python 3.9.10 (main, Mar 2 2025, 20:55:00) [MSC v.1942 64 bit (AMD64)] on win32
Traceback (most recent call last):
File “”, line 1, in
File “C:\Users\BEM-LAB-PC\AppData\Local\slicer.org\Slicer 5.8.1\lib\Python\Lib\imp.py”, line 169, in load_source
module = _exec(spec, sys.modules[name])
File “”, line 613, in _exec
File “”, line 850, in exec_module
File “”, line 228, in call_with_frames_removed
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/slicer.org/Extensions-33241/Sandbox/lib/Slicer-5.8/qt-scripted-modules/ColorizeVolume.py”, line 16, in
from slicer import vtkMRMLScalarVolumeNode, vtkMRMLSegmentationNode, vtkMRMLSequenceBrowserNode, vtkMRMLVectorVolumeNode
ImportError: cannot import name ‘vtkMRMLSequenceBrowserNode’ from ‘slicer’ (C:\Users\BEM-LAB-PC\AppData\Local\slicer.org\Slicer 5.8.1\bin\Python\slicer_init.py)
[Qt] loadSourceAsModule - Failed to load file “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/slicer.org/Extensions-33241/Sandbox/lib/Slicer-5.8/qt-scripted-modules/ColorizeVolume.py” as module “ColorizeVolume” !
[Qt] Fail to instantiate module “ColorizeVolume”
[Qt] libpng warning: iCCP: profile ‘ICC Profile’: ‘CMYK’: invalid ICC profile color space
[Qt] libpng warning: iCCP: known incorrect sRGB profile
[Qt] libpng warning: iCCP: known incorrect sRGB profile
[Qt] The following modules failed to be instantiated:
[Qt] ColorizeVolume
Traceback (most recent call last):
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/bin/../lib/Slicer-5.8/qt-scripted-modules/DataProbe.py”, line 60, in addView
self.infoWidget = DataProbeInfoWidget(parent)
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/bin/../lib/Slicer-5.8/qt-scripted-modules/DataProbe.py”, line 98, in init
self._createSmall()
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/bin/../lib/Slicer-5.8/qt-scripted-modules/DataProbe.py”, line 406, in _createSmall
self.sliceAnnotations = DataProbeLib.SliceAnnotations()
File “C:\Users\BEM-LAB-PC\AppData\Local\slicer.org\Slicer 5.8.1\lib\Slicer-5.8\qt-scripted-modules\DataProbeLib\SliceViewAnnotations.py”, line 109, in init
self.parameterNode = self.dataProbeUtil.getParameterNode()
File “C:\Users\BEM-LAB-PC\AppData\Local\slicer.org\Slicer 5.8.1\lib\Slicer-5.8\qt-scripted-modules\DataProbeLib\DataProbeUtil.py”, line 24, in getParameterNode
node = self._createParameterNode()
File “C:\Users\BEM-LAB-PC\AppData\Local\slicer.org\Slicer 5.8.1\lib\Slicer-5.8\qt-scripted-modules\DataProbeLib\DataProbeUtil.py”, line 45, in _createParameterNode
slicer.mrmlScene.AddNode(node)
TypeError: AddNode argument 1: method requires a VTK object
Traceback (most recent call last):
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/slicer.org/Extensions-33241/SlicerMorph/lib/Slicer-5.8/qt-scripted-modules/MorphPreferences.py”, line 62, in loadPresetFile
exec(open(vrPresetPath).read(), globals())
File “”, line 11, in
AttributeError: module ‘slicer’ has no attribute ‘vtkMRMLVolumePropertyNode’
[Python] Error loading SlicerMorphRC.py
[Python] module ‘slicer’ has no attribute ‘vtkMRMLVolumePropertyNode’
[Python] See Python Console for Stack Trace
Traceback (most recent call last):
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/slicer.org/Extensions-33241/Sandbox/lib/Slicer-5.8/qt-scripted-modules/UserStatistics.py”, line 66, in setup
self.logic = UserStatisticsLogic()
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/slicer.org/Extensions-33241/Sandbox/lib/Slicer-5.8/qt-scripted-modules/UserStatistics.py”, line 271, in init
self.addObserver(slicer.mrmlScene, slicer.mrmlScene.NodeAddedEvent, self.onNodeAdded)
File “C:\Users\BEM-LAB-PC\AppData\Local\slicer.org\Slicer 5.8.1\bin\Python\slicer\util.py”, line 2822, in addObserver
tag = obj.AddObserver(event, method, priority)
AttributeError: ‘MRMLCorePython.vtkMRMLScene’ object has no attribute ‘AddObserver’
Traceback (most recent call last):
File “C:/Users/BEM-LAB-PC/AppData/Local/slicer.org/Slicer 5.8.1/slicer.org/Extensions-33241/Sandbox/lib/Slicer-5.8/qt-scripted-modules/UserStatistics.py”, line 42, in showUserConfirmationDialog
logic = slicer.modules.userstatistics.widgetRepresentation().self().logic
AttributeError: ‘UserStatisticsWidget’ object has no attribute ‘logic’
[Qt] libpng warning: iCCP: known incorrect sRGB profile
[Qt] Property ‘verbose’’ of object ‘qSlicerWebPythonProxy’ has no notify signal and is not constant, value updates in HTML will be broken!
[Qt] Property ‘verbose’’ of object ‘qSlicerWebPythonProxy’ has no notify signal and is not constant, value updates in HTML will be broken!
[Qt] Mixed Content: The page at ‘@KitwareMedical/slicer-extensions-webapp’ was loaded over HTTPS, but requested an insecure image ‘http://wiki.slicer.org/slicerWiki/images/f/f6/IntensitySegmenterIcon.png’. This content should also be served over HTTPS.
[Qt] A cookie associated with a cross-site resource at 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 and Chrome Platform Status.
[Qt] libpng warning: iCCP: known incorrect sRGB profile
[Qt] Property ‘verbose’’ of object ‘qSlicerWebPythonProxy’ has no notify signal and is not constant, value updates in HTML will be broken!
[Qt] Property ‘verbose’’ of object ‘qSlicerWebPythonProxy’ has no notify signal and is not constant, value updates in HTML will be broken!
