# Error installing

**URL:** <https://community.sonatype.com/t/error-installing/11455>\
**Category:** Sonatype Nexus Repository\
**Created:** [October 17, 2023, 9:02pm UTC](https://community.sonatype.com/t/error-installing/11455 "2023-10-17T21:02:03Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![shimul](https://avatars.discourse-cdn.com/v4/letter/s/eada6e/32.png) [@shimul](https://community.sonatype.com/u/shimul)\
**Post date:** [October 17, 2023, 9:02pm UTC](https://community.sonatype.com/t/error-installing/11455/1 "2023-10-17T21:02:03Z")

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Added nexus - [http://localhost:8081/repository/nuget-group/](http://localhost:8081/repository/nuget-group/) (Priority 0)  
PS C:\Users\Shimul\> choco install nexus  
Chocolatey v2.2.2  
Installing the following packages:  
nexus  
By installing, you accept licenses for the packages.  
Invalid credentials specified.  
Please provide credentials for: [http://localhost:8081/repository/nuget-group/](http://localhost:8081/repository/nuget-group/)  
User name: admin  
Password: \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
Unable to connect to source ‘[http://localhost:8081/repository/nuget-group/](http://localhost:8081/repository/nuget-group/)’:  
Failed to fetch results from V2 feed at ‘[http://localhost:8081/repository/nuget-group/Packages()?$filter=(tolower(Id)%20eq%20’nexus’](http://localhost:8081/repository/nuget-group/Packages()?%24filter=(tolower(Id)%20eq%20'nexus'))%20and%20IsLatestVersion&semVerLevel=2.0.0’ with following message : Response status code does not indicate success: 502 (The group repository nuget-group contains a proxy with different nuget version).  
nexus not installed. The package was not found with the source(s) listed.  
Source(s): ‘[http://localhost:8081/repository/nuget-group/](http://localhost:8081/repository/nuget-group/)’  
NOTE: When you specify explicit sources, it overrides default sources.  
If the package version is a prerelease and you didn’t specify `--pre`,  
the package may not be found.  
Please see [Chocolatey Software Docs | Troubleshooting](https://docs.chocolatey.org/en-us/troubleshooting) for more  
assistance.

Chocolatey installed 0/1 packages. 1 packages failed.  
See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log).

Failures

- nexus - nexus not installed. The package was not found with the source(s) listed.  
Source(s): ‘[http://localhost:8081/repository/nuget-group/](http://localhost:8081/repository/nuget-group/)’  
NOTE: When you specify explicit sources, it overrides default sources.  
If the package version is a prerelease and you didn’t specify `--pre`,  
the package may not be found.  
Please see [Chocolatey Software Docs | Troubleshooting](https://docs.chocolatey.org/en-us/troubleshooting) for more  
assistance.  
PS C:\Users\Shimul\>  
Please help for some reason it is not finding my package inside of the group

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<div class="post-metadata">

**Author:** ![mprescott](https://yyz1.discourse-cdn.com/flex047/user_avatar/community.sonatype.com/mprescott/32/178_2.png) [@mprescott](https://community.sonatype.com/u/mprescott)\
**Post date:** [October 17, 2023, 9:37pm UTC](https://community.sonatype.com/t/error-installing/11455/2 "2023-10-17T21:37:22Z")

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There may be more than one problem, but notice this in the error message you posted:

> The group repository nuget-group contains a proxy with different nuget version

You can’t mix v2 and v3 proxies in the same group, they speak different protocols. See the note at the top of the page, here:  
[https://help.sonatype.com/repomanager3/nexus-repository-administration/formats/nuget-repositories/grouping-nuget-repositories](https://help.sonatype.com/repomanager3/nexus-repository-administration/formats/nuget-repositories/grouping-nuget-repositories)

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<div class="post-metadata">

**Author:** ![shimul](https://avatars.discourse-cdn.com/v4/letter/s/eada6e/32.png) [@shimul](https://community.sonatype.com/u/shimul)\
**Post date:** [October 18, 2023, 4:17pm UTC](https://community.sonatype.com/t/error-installing/11455/3 "2023-10-18T16:17:29Z")

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Hello  
I only included one software in this application, why is my package not being found

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<div class="post-metadata">

**Author:** ![mprescott](https://yyz1.discourse-cdn.com/flex047/user_avatar/community.sonatype.com/mprescott/32/178_2.png) [@mprescott](https://community.sonatype.com/u/mprescott)\
**Post date:** [October 18, 2023, 4:30pm UTC](https://community.sonatype.com/t/error-installing/11455/4 "2023-10-18T16:30:13Z")

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There is a problem with the configuration of your Nexus Repository instance. If you’re not the administrator, you will need to contact your administrator.

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<div class="post-metadata">

**Author:** ![shimul](https://avatars.discourse-cdn.com/v4/letter/s/eada6e/32.png) [@shimul](https://community.sonatype.com/u/shimul)\
**Post date:** [October 18, 2023, 5:13pm UTC](https://community.sonatype.com/t/error-installing/11455/5 "2023-10-18T17:13:12Z")

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Hello,  
I forgot to mention I am using chocolatey