# Error adding package to Julia

**URL:** <https://discourse.julialang.org/t/error-adding-package-to-julia/55845>\
**Category:** New to Julia\
**Tags:** package, jump\
**Created:** [February 23, 2021, 1:01pm UTC](https://discourse.julialang.org/t/error-adding-package-to-julia/55845 "2021-02-23T13:01:12Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![thommasmont](https://avatars.discourse-cdn.com/v4/letter/t/58f4c7/32.png) [@thommasmont](https://discourse.julialang.org/u/thommasmont)\
**Post date:** [February 23, 2021, 1:01pm UTC](https://discourse.julialang.org/t/error-adding-package-to-julia/55845/1 "2021-02-23T13:01:12Z")

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I am a Windows user I installed julia 1.5.3 and when I add the package JuMP notifies me of this error, if we can help thank you.  
(@v1.5) pkg\> up  
No Changes to `C:\Users\Usuario\.julia\environments\v1.5\Project.toml`  
No Changes to `C:\Users\Usuario\.julia\environments\v1.5\Manifest.toml`

(@v1.5) pkg\> add JuMP  
Resolving package versions…  
ERROR: Unsatisfiable requirements detected for package ForwardDiff [f6369f11]:  
ForwardDiff [f6369f11] log:  
├─ForwardDiff [f6369f11] has no known versions!  
└─found to have no compatible versions left with JuMP [4076af6c]  
└─JuMP [4076af6c] log:  
├─possible versions are: [0.18.3-0.18.6, 0.19.0-0.19.2, 0.20.0-0.20.1, 0.21.0-0.21.6] or uninstalled  
└─restricted to versions \* by an explicit requirement, leaving only versions [0.18.3-0.18.6, 0.19.0-0.19.2, 0.20.0-0.20.1, 0.21.0-0.21.6]

(@v1.5) pkg\> st  
Status `C:\Users\Usuario\.julia\environments\v1.5\Project.toml`  
[37e2e46d] LinearAlgebra

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<div class="post-metadata">

**Author:** ![Henrique\_Becker](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/henrique_becker/32/15443_2.png) [@Henrique\_Becker](https://discourse.julialang.org/u/Henrique_Becker)\
**Post date:** [February 23, 2021, 1:55pm UTC](https://discourse.julialang.org/t/error-adding-package-to-julia/55845/2 "2021-02-23T13:55:02Z")

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Can you do `pkg> registry update` before running `pkg\> add JuMP and report the results?