# Build error raised when building SlicerVMTK extension

**URL:** https://discourse.slicer.org/t/build-error-raised-when-building-slicervmtk-extension/30384
**Category:** VMTK
**Tags:** build, extensions-manager
**Created:** [July 4, 2023, 4:46am UTC](https://discourse.slicer.org/t/build-error-raised-when-building-slicervmtk-extension/30384 "2023-07-04T04:46:59Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![paul.w](https://avatars.discourse-cdn.com/v4/letter/p/a5b964/32.png) [@paul.w](https://discourse.slicer.org/u/paul.w)
#### Post date: [July 4, 2023, 4:46am UTC](https://discourse.slicer.org/t/build-error-raised-when-building-slicervmtk-extension/30384/1 "2023-07-04T04:46:59Z")

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Build error raised when building SlicerVMTK extension [SlicerExtension-VMTK](https://github.com/vmtk/SlicerExtension-VMTK) within VS2022, the error code shows below:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/2/4/2427820febdc3fba742f45addef4d7235c2d2cc6.png)

The Slicer 5.3.0 has been successfully built with Release, thus the environment should be okay, which is Win11 64bit (Windows SDK version 10.0.22000.0 to target Windows 10.0.22621) + VS2022 Community + CMake 3.24.3 + C compiler (MSVC 19.36.32535.0)

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### Author: ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)
#### Post date: [July 4, 2023, 3:12pm UTC](https://discourse.slicer.org/t/build-error-raised-when-building-slicervmtk-extension/30384/2 "2023-07-04T15:12:08Z")

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Xref

> [@VMTK extension fails to build for preview](https://discourse.slicer.org/t/vmtk-extension-fails-to-build-for-preview/30355/2):
>
> Thank you for reporting. We’ve noticed this, too, and working on a fix. I expect it will work again by the end of this week.

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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: [July 4, 2023, 3:37pm UTC](https://discourse.slicer.org/t/build-error-raised-when-building-slicervmtk-extension/30384/3 "2023-07-04T15:37:00Z")

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The VMTK extension build error has been [fixed](https://github.com/vmtk/SlicerExtension-VMTK/commit/48a071a88de626dc305134a1ac6e252fe0d5bed9). The VMTK extension should be available again in Slicer Preview Releases from tomorrow.