# Building vs 2022 issue

**URL:** <https://discourse.vtk.org/t/building-vs-2022-issue/12972>\
**Category:** Support\
**Created:** [December 27, 2023, 3:34am UTC](https://discourse.vtk.org/t/building-vs-2022-issue/12972 "2023-12-27T03:34:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kilani\_walid](https://discourse.vtk.org/user_avatar/discourse.vtk.org/kilani_walid/32/8188_2.png) [@kilani\_walid](https://discourse.vtk.org/u/kilani_walid)\
**Post date:** [December 27, 2023, 3:34am UTC](https://discourse.vtk.org/t/building-vs-2022-issue/12972/1 "2023-12-27T03:34:52Z")

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vtkConstantImplicitBackend::vtkConstantImplicitBackend(unsigned \_\_int64) (??0?$vtkConstantImplicitBackend@\_K@@QEAA@\_K@Z) already defined in vtkToImplicitRamerDouglasPeuckerStrategy.obj|FiltersReduction|C:\VTK\bin\Filters\Reduction\vtkCommonCore-9.3d.lib(vtkCommonCore-9.3d.dll)

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**Author:** ![ben.boeckel](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/b/ea5d25/32.png) [@ben.boeckel](https://discourse.vtk.org/u/ben.boeckel)\
**Post date:** [December 27, 2023, 3:40am UTC](https://discourse.vtk.org/t/building-vs-2022-issue/12972/2 "2023-12-27T03:40:55Z")

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See this thread:

> [@Vtk 9.3.0 Compile Errors with Visual Studio 2022 (Debug)](https://discourse.vtk.org/t/vtk-9-3-0-compile-errors-with-visual-studio-2022-debug/12816):
>
> I am trying to compile VTK 9.3.0 using VS 2022 (64 bit binaries) and I get the following errors: FAILED: bin/Debug/vtkFiltersReduction-9.3d.dll lib/Debug/vtkFiltersReduction-9.3d.lib cmd.exe /C "cd . && E:\AzureDevOps\cmake-3.26.3-windows-x86\_64\bin\cmake.exe -E vs\_link\_dll --intdir=Filters\Reduction\CMakeFiles\FiltersReduction.dir\Debug --rc=C:\PROGRA~2\WI3CF2~1\10\bin\100220~1.0\x64\rc.exe --mt=C:\PROGRA~2\WI3CF2~1\10\bin\100220~1.0\x64\mt.exe --manifests -- C:\PROGRA~1\MICROS~4\2022\COMMUN~…

I hope to get to the bottom of this soon.