# Warning message: qSlicerSubjectHierarchyFolderPlugin::canOwnSubjectHierarchyItem - Input item is invalid

**URL:** https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244
**Category:** Support
**Created:** [December 5, 2023, 10:39pm UTC](https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244 "2023-12-05T22:39:55Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![emirdag\_radyoloji](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/emirdag_radyoloji/32/68602_2.png) [@emirdag\_radyoloji](https://discourse.slicer.org/u/emirdag_radyoloji)
#### Post date: [December 5, 2023, 10:39pm UTC](https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244/1 "2023-12-05T22:39:55Z")

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[Qt] double \_\_cdecl qSlicerSubjectHierarchyFolderPlugin::canOwnSubjectHierarchyItem(\_\_int64) const : Input item is invalid [VTK] Warning: In vtkMRMLSubjectHierarchyNode.cxx, line 2110 [VTK] vtkMRMLSubjectHierarchyNode (0000016850A6D330): GetItemDataNode:

Operating system:  
Slicer version:  
Expected behavior:  
Actual behavior:

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### Author: ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [December 5, 2023, 10:42pm UTC](https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244/2 "2023-12-05T22:42:20Z")

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What Slicer version are you using?  
What do you do when this warning is logged?

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### Author: ![emirdag\_radyoloji](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/emirdag_radyoloji/32/68602_2.png) [@emirdag\_radyoloji](https://discourse.slicer.org/u/emirdag_radyoloji)
#### Post date: [December 6, 2023, 6:36am UTC](https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244/3 "2023-12-06T06:36:16Z")

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rI get it during Radiomics feature extraction.  
5.5, 5.6, 5.7, I get the same error.  
I have been using it for years and this is the first time something like this has happened to me.

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### Author: ![cpinter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/cpinter/32/7995_2.png) [@cpinter](https://discourse.slicer.org/u/cpinter)
#### Post date: [December 11, 2023, 1:05pm UTC](https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244/4 "2023-12-11T13:05:09Z")

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Does this warning affect the usage in any way?