# Can't install Any new package

**URL:** <https://discourse.julialang.org/t/cant-install-any-new-package/46509>\
**Category:** General Usage\
**Tags:** question, package, installation\
**Created:** [September 12, 2020, 2:10pm UTC](https://discourse.julialang.org/t/cant-install-any-new-package/46509 "2020-09-12T14:10:19Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Nitish\_Dubey](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nitish_dubey/32/9092_2.png) [@Nitish\_Dubey](https://discourse.julialang.org/u/Nitish_Dubey)\
**Post date:** [September 12, 2020, 2:10pm UTC](https://discourse.julialang.org/t/cant-install-any-new-package/46509/1 "2020-09-12T14:10:19Z")

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I am unable to install any new package whenever I’m trying to install one getting the following error.

```julia
` Resolving package versions...
ERROR: Unsatisfiable requirements detected for package LightXML [9c8b4983]:
LightXML [9c8b4983] log:
├─possible versions are: [0.7.0, 0.8.0-0.8.1, 0.9.0] or uninstalled
├─restricted by compatibility requirements with RigidBodyDynamics [366cf18f] to versions: [0.7.0, 0.8.0-0.8.1]
│ └─RigidBodyDynamics [366cf18f] log:
│ ├─possible versions are: [0.0.1-0.0.6, 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.5.0, 0.6.0-0.6.1, 0.7.0, 0.8.0, 0.9.0, 1.0.0-1.0.2, 1.1.0, 1.2.0, 
1.3.0, 1.4.0, 2.0.0, 2.1.0-2.1.1, 2.2.0] or uninstalled
│ └─restricted to versions * by an explicit requirement, leaving only versions [0.0.1-0.0.6, 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.5.0, 0.6.0-0.6.1, 0.7.0, 0.8.0, 0.9.0, 1.0.0-1.0.2, 1.1.0, 1.2.0, 1.3.0, 1.4.0, 2.0.0, 2.1.0-2.1.1, 2.2.0]
└─restricted by compatibility requirements with Javis [78b212ba] to versions: 0.9.0 — no versions left
 └─Javis [78b212ba] log:
   ├─possible versions are: 0.1.0-0.1.3 or uninstalled
   └─restricted to versions * by an explicit requirement, leaving only versions 0.1.0-0.1.3`

```

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<div class="post-metadata">

**Author:** ![xiaodai](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/xiaodai/32/15937_2.png) [@xiaodai](https://discourse.julialang.org/u/xiaodai)\
**Post date:** [September 12, 2020, 2:22pm UTC](https://discourse.julialang.org/t/cant-install-any-new-package/46509/2 "2020-09-12T14:22:06Z")

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start a new environment

`] javis-env`

then try again

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<div class="post-metadata">

**Author:** ![Nitish\_Dubey](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nitish_dubey/32/9092_2.png) [@Nitish\_Dubey](https://discourse.julialang.org/u/Nitish_Dubey)\
**Post date:** [September 12, 2020, 2:48pm UTC](https://discourse.julialang.org/t/cant-install-any-new-package/46509/3 "2020-09-12T14:48:32Z")

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Thank you very much it works