# VMTK extension build error

**URL:** <https://discourse.slicer.org/t/vmtk-extension-build-error/42765>\
**Category:** Support\
**Created:** [May 1, 2025, 8:24pm UTC](https://discourse.slicer.org/t/vmtk-extension-build-error/42765 "2025-05-01T20:24:45Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![chir.set](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/chir.set/32/66982_2.png) [@chir.set](https://discourse.slicer.org/u/chir.set)\
**Post date:** [May 1, 2025, 8:41pm UTC](https://discourse.slicer.org/t/vmtk-extension-build-error/42765/6 "2025-05-01T20:41:10Z")

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> [@jamesobutler](#):
>
> needs to finalize compatibility with VTK 9.4

Please see [this comment](https://discourse.slicer.org/t/slicervmtk-not-building-for-slicerpreview-on-cdash/42605/7).

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