# ERROR: Unsatisfiable requirements detected for package VTKDataTypes

**URL:** <https://discourse.julialang.org/t/error-unsatisfiable-requirements-detected-for-package-vtkdatatypes/22728>\
**Category:** General Usage\
**Tags:** question\
**Created:** [April 4, 2019, 2:08am UTC](https://discourse.julialang.org/t/error-unsatisfiable-requirements-detected-for-package-vtkdatatypes/22728 "2019-04-04T02:08:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Aquaman](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/aquaman/32/6586_2.png) [@Aquaman](https://discourse.julialang.org/u/Aquaman)\
**Post date:** [April 4, 2019, 2:08am UTC](https://discourse.julialang.org/t/error-unsatisfiable-requirements-detected-for-package-vtkdatatypes/22728/1 "2019-04-04T02:08:42Z")

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Hi,

I am trying to install a package in Julia 1.1.0

> ERROR: Unsatisfiable requirements detected for package VTKDataTypes

```julia
https://github.com/mohamed82008/TopOpt.jl

```

What can I do next?

---

<div class="post-metadata">

**Author:** ![mohamed82008](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mohamed82008/32/18171_2.png) [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Post date:** [April 4, 2019, 8:49am UTC](https://discourse.julialang.org/t/error-unsatisfiable-requirements-detected-for-package-vtkdatatypes/22728/2 "2019-04-04T08:49:37Z")

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TopOpt.jl is not for public use yet 😉 You will need to manually install a few packages, one of them is VTKDataTypes.