This project references NuGet package s that are missing on this computer

Question

I have an ASP NET MVC5 application that worked yesterday and now I am getting this error when I try to build   This project references NuGet package s  that are missing on this computer   I have the two options checked that allow nuget to automatically download and install missing packages checked   turned ON  I have also tried deleting all of the files in the packages folder and then have nuget re-download them  Also when I open nuget and look for updates it says there are none that need to be installed  I can t figure what else to do to move beyond this amazingly annoying issue  I have also enabled nuget restore by right clicking the project and selecting that option  It then added a nuget folder and three items in that folder and does nothing to resolve the problem  I ve tried re-building and still get the same error

User · Answer

In my case it happened after I moved my solution folder from one location to another, re-organized it a bit and in the process its relative folder structure changed.

So I had to edit all entries similar to the following one in my .csproj file from

  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />

to

  <Import Project="packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />

(Note the change from ..\packages\ to packages\. It might be a different relative structure in your case, but you get the idea.)

User · Answer

Is it possible that the packages have been restored to the wrong folder  Check that the paths in the csproj files are correct    If they are different it could be caused by the packages now being restored to a different location  This could be caused by a NuGet Config file being checked in specifying a node like this    lt add key  repositoryPath  value        Packages    gt    The packages are being restored  by the projects are still looking at the old location

User · Answer

Editing  sln and  csproj is not always that easy or desirable  Once you get the error list you can see what projects have missing packages  also  the References node usually indicate that there are missing assemblies unless packages are source code  resources  images  or just text-based ones     Removing and then adding the packages is not a good idea unless you use the latest version of the package  Otherwise be prepared for surprises  not always pleasant ones   If  say  the package is EntityFramework then from NuGet gallery you get the latest version which at the time of writing this comment it is 6 1 3   So  maybe the safest way to handle the situation is to restore the missing packages one by one  Yes  a bit painful exercise but chasing subtle bugs due to different package version maybe much more unpleasant   Having this said  and let again EntityFramework be the missing package  you can issue the following command in the Package-Manager Console   PM gt  Install-Package EntityFramework -Version 6 0 1    This will install the correct version  that is 6 0 1  that is the one that is specified in packages config         lt  xml version  1 0  encoding  utf-8   gt       lt packages gt         lt package id  EntityFramework  version  6 0 1  targetFramework  net451    gt       lt  packages gt

User · Answer

I had the same issue when i reference the Class library into my MVC web application    the issue was the nuget package version number mismatch between two projects   ex  my class library had log4net of 1 2 3  but my webapp had 1 2 6  fix  just make sure both the project have the same version number referenced

User · Answer

The first thing to try is to right-click the solution and select  Restore Nuget Packages    In my case that did not work  so I followed some recommendations on deleting  Import  and  Target  on project file  this worked for 2 of my 3 projects  but got a different error on the last one   What worked was to open the Package Manager Console and run   Update-Package -reinstall -ProjectName MyProjectName   It takes some time but since it reinstall all packages your project will compile without problems

User · Answer

In my case  I had to remove the following from the  csproj file    lt Import Project    SolutionDir   nuget NuGet targets  Condition  Exists    SolutionDir   nuget NuGet targets      gt   lt Target Name  EnsureNuGetPackageBuildImports  BeforeTargets  PrepareForBuild  gt     lt PropertyGroup gt       lt ErrorText gt This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 322105  The missing file is  0   lt  ErrorText gt     lt  PropertyGroup gt     lt Error Condition   Exists    SolutionDir   nuget NuGet targets    Text     System String   Format    ErrorText       SolutionDir   nuget NuGet targets       gt   lt  Target gt    In fact  in this snippet you can see where the error message is coming from   I was converting from MSBuild-Integrated Package Restore to Automatic Package Restore  http   docs nuget org docs workflows migrating-to-automatic-package-restore

User · Answer

I had the same issue  In my case installing the Microsoft Bcl Build package fixed the problem

User · Answer

One solution would be to remove from the  csproj file the following    lt Import Project    SolutionDir   nuget NuGet targets  Condition  Exists    SolutionDir   nuget NuGet targets      gt   lt Target Name  EnsureNuGetPackageBuildImports  BeforeTargets  PrepareForBuild  gt     lt PropertyGroup gt       lt ErrorText gt This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 322105  The missing file is  0   lt  ErrorText gt     lt  PropertyGroup gt     lt Error Condition   Exists    SolutionDir   nuget NuGet targets    Text     System String   Format    ErrorText       SolutionDir   nuget NuGet targets       gt   lt  Target gt    How    Right click on project  Unload Project  Right click on project  Edit csproj   Remove the part from the file  Save  Right click on  project  Reload Project

User · Answer

For me it worked as I just copied a  nuget folder from a working solution to the existing one  and referenced it s content

User · Answer

I had the same error but in my case it was not related to nuget packages at all  My solution had project that had reference to other projects that were not a part of my solution and were not built  After building them with some other solution  or I could include them into my solution as well   AND re-opening my solution in visual studio the issue was resolved

User · Answer

I easily solve this problem by right clicking on my solution and then clicking on the Enable NuGet Package Restore option    P S  Ensure that you have the Nuget Install From Tools--  Extensions and Update--  Nuget Package Manager for Visual Studio 2013  If not install this extention first    Hope it helps

User · Answer

I have the same issue  I encountered it when I copied an existing project and transferred it on the folder of my solution directory and added it as existing project to my empty solution  So I have to edit my csproj file and look for this specific line of code  most of the time  this is can be found on the last lines      lt Import Project    MSBuildToolsPath  Microsoft CSharp targets    gt    After that line  I have to comment these out      lt Import Project    SolutionDir   nuget NuGet targets  Condition  Exists    SolutionDir   nuget NuGet targets      gt     lt Target Name  EnsureNuGetPackageBuildImports  BeforeTargets  PrepareForBuild  gt       lt PropertyGroup gt         lt ErrorText gt This project references NuGet package s  that are missing on this computer  Use NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 322105  The missing file is  0   lt  ErrorText gt       lt  PropertyGroup gt       lt Error Condition   Exists                 packages EntityFramework 6 4 0 build EntityFramework props    Text     System String   Format    ErrorText                    packages EntityFramework 6 4 0 build EntityFramework props       gt       lt Error Condition   Exists                 packages EntityFramework 6 4 0 build EntityFramework targets    Text     System String   Format    ErrorText                    packages EntityFramework 6 4 0 build EntityFramework targets       gt     lt  Target gt     lt Import Project                 packages EntityFramework 6 4 0 build EntityFramework targets  Condition  Exists                 packages EntityFramework 6 4 0 build EntityFramework targets      gt    Your solution will prompt that there was a change on your project  just select Reload All    Then everything works fine after rebuilding my solution

User · Answer

I had this when the csproj and sln files were in the same folder  stupid  I know   Once I moved to sln file to the folder above the csproj folder my so

User · Answer

I created a folder named   nuget  in solution root folder Then added file  NuGet Config  in this folder with following content   lt  xml version  1 0  encoding  utf-8   gt   lt configuration gt   lt solution gt    lt add key  disableSourceControlIntegration  value  true    gt   lt  solution gt   lt  configuration gt    Then created file   nuGet targets  as below                  MSBuildProjectDirectory           lt  -- Enable the restore command to run before builds -- gt       lt RestorePackages Condition       RestorePackages           gt false lt  RestorePackages gt        lt  -- Property that enables building a package from a project -- gt       lt BuildPackage Condition      BuildPackage           gt false lt  BuildPackage gt        lt  -- Determines if package restore consent is required to restore packages -- gt       lt RequireRestoreConsent Condition      RequireRestoreConsent       false    gt true lt  RequireRestoreConsent gt        lt  -- Download NuGet exe if it does not already exist -- gt       lt DownloadNuGetExe Condition      DownloadNuGetExe           gt false lt  DownloadNuGetExe gt   lt  PropertyGroup gt    lt ItemGroup Condition      PackageSources           gt       lt  -- Package sources used to restore packages  By default will used the registered sources under  APPDATA  NuGet NuGet Config -- gt       lt  --          lt PackageSource Include  https   nuget org api v2     gt           lt PackageSource Include  https   my-nuget-source nuget     gt      -- gt   lt  ItemGroup gt    lt PropertyGroup Condition      OS       Windows NT   gt       lt  -- Windows specific commands -- gt       lt NuGetToolsPath gt    System IO Path   Combine   SolutionDir     nuget    lt  NuGetToolsPath gt       lt PackagesConfig gt    System IO Path   Combine   ProjectDir    packages config    lt  PackagesConfig gt       lt PackagesDir gt    System IO Path   Combine   SolutionDir    packages    lt  PackagesDir gt   lt  PropertyGroup gt    lt PropertyGroup Condition      OS       Windows NT   gt       lt  -- We need to launch nuget exe with the mono command if we re not on windows -- gt       lt NuGetToolsPath gt   SolutionDir  nuget lt  NuGetToolsPath gt       lt PackagesConfig gt packages config lt  PackagesConfig gt       lt PackagesDir gt   SolutionDir packages lt  PackagesDir gt   lt  PropertyGroup gt    lt PropertyGroup gt       lt  -- NuGet command -- gt       lt NuGetExePath Condition      NuGetExePath           gt   NuGetToolsPath  nuget exe lt  NuGetExePath gt       lt PackageSources Condition     PackageSources          gt   PackageSource  lt  PackageSources gt        lt NuGetCommand Condition      OS       Windows NT   gt    NuGetExePath   lt  NuGetCommand gt       lt NuGetCommand Condition      OS       Windows NT    gt mono --runtime v4 0 30319   NuGetExePath  lt  NuGetCommand gt        lt PackageOutputDir Condition    PackageOutputDir         gt   TargetDir Trim        lt  PackageOutputDir gt        lt RequireConsentSwitch Condition     RequireRestoreConsent      true    gt -RequireConsent lt  RequireConsentSwitch gt       lt  -- Commands -- gt       lt RestoreCommand gt   NuGetCommand  install    PackagesConfig   -source    PackageSources      RequireConsentSwitch  -o    PackagesDir   lt  RestoreCommand gt       lt BuildCommand gt   NuGetCommand  pack    ProjectPath   -p Configuration   Configuration  -o    PackageOutputDir   -symbols lt  BuildCommand gt        lt  -- Make the build depend on restore packages -- gt       lt BuildDependsOn Condition    RestorePackages      true   gt          RestorePackages            BuildDependsOn        lt  BuildDependsOn gt        lt  -- Make the build depend on restore packages -- gt       lt BuildDependsOn Condition    BuildPackage      true   gt            BuildDependsOn           BuildPackage       lt  BuildDependsOn gt   lt  PropertyGroup gt    lt Target Name  CheckPrerequisites  gt       lt  -- Raise an error if we re unable to locate nuget exe  -- gt       lt Error Condition     DownloadNuGetExe       true  AND  Exists    NuGetExePath     Text  Unable to locate    NuGetExePath      gt       lt SetEnvironmentVariable EnvKey  VisualStudioVersion  EnvValue    VisualStudioVersion   Condition      VisualStudioVersion         AND    OS       Windows NT      gt       lt DownloadNuGet OutputFilename    NuGetExePath   Condition      DownloadNuGetExe       true  AND  Exists    NuGetExePath        gt   lt  Target gt    lt Target Name  RestorePackages  DependsOnTargets  CheckPrerequisites  gt       lt Exec Command    RestoreCommand             Condition     OS       Windows NT  And Exists    PackagesConfig       gt        lt Exec Command    RestoreCommand             LogStandardErrorAsError  true            Condition     OS       Windows NT  And Exists    PackagesConfig       gt   lt  Target gt    lt Target Name  BuildPackage  DependsOnTargets  CheckPrerequisites  gt       lt Exec Command    BuildCommand              Condition      OS       Windows NT      gt        lt Exec Command    BuildCommand             LogStandardErrorAsError  true            Condition      OS       Windows NT      gt   lt  Target gt    lt UsingTask TaskName  DownloadNuGet  TaskFactory  CodeTaskFactory  AssemblyFile    MSBuildToolsPath  Microsoft Build Tasks v4 0 dll  gt       lt ParameterGroup gt           lt OutputFilename ParameterType  System String  Required  true    gt       lt  ParameterGroup gt       lt Task gt           lt Reference Include  System Core    gt           lt Using Namespace  System    gt           lt Using Namespace  System IO    gt           lt Using Namespace  System Net    gt           lt Using Namespace  Microsoft Build Framework    gt           lt Using Namespace  Microsoft Build Utilities    gt           lt Code Type  Fragment  Language  cs  gt               lt   CDATA              try                   OutputFilename   Path GetFullPath OutputFilename                    Log LogMessage  Downloading latest version of NuGet exe                       WebClient webClient   new WebClient                    webClient DownloadFile  https   nuget org nuget exe   OutputFilename                    return true                            catch  Exception ex                    Log LogErrorFromException ex                   return false                           gt           lt  Code gt       lt  Task gt   lt  UsingTask gt     lt UsingTask TaskName  SetEnvironmentVariable  TaskFactory  CodeTaskFactory  AssemblyFile    MSBuildToolsPath  Microsoft Build Tasks v4 0 dll  gt       lt ParameterGroup gt           lt EnvKey ParameterType  System String  Required  true    gt           lt EnvValue ParameterType  System String  Required  true    gt       lt  ParameterGroup gt       lt Task gt           lt Using Namespace  System    gt           lt Code Type  Fragment  Language  cs  gt               lt   CDATA              try                   Environment SetEnvironmentVariable EnvKey  EnvValue  System EnvironmentVariableTarget Process                             catch                             gt           lt  Code gt       lt  Task gt   lt  UsingTask gt

User · Answer

In my case it had to do with the Microsoft Build Bcl version  My nuget package version was 1 0 21  but my project files were still pointing to version 1 0 14  So I changed my  csproj files from      lt Import Project        packages Microsoft Bcl Build 1 0 14 tools Microsoft Bcl Build targets  Condition  Exists        packages Microsoft Bcl Build 1 0 14 tools Microsoft Bcl Build targets      gt      lt Target Name  EnsureBclBuildImported  BeforeTargets  BeforeBuild  Condition     BclBuildImported          gt       lt Error Condition   Exists        packages Microsoft Bcl Build 1 0 14 tools Microsoft Bcl Build targets    Text  This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 317567   HelpKeyword  BCLBUILD2001    gt       lt Error Condition  Exists        packages Microsoft Bcl Build 1 0 14 tools Microsoft Bcl Build targets    Text  The build restored NuGet packages  Build the project again to include these packages in the build  For more information  see http   go microsoft com fwlink  LinkID 317568   HelpKeyword  BCLBUILD2002    gt     lt  Target gt    to     lt Import Project        packages Microsoft Bcl Build 1 0 21 build Microsoft Bcl Build targets  Condition  Exists        packages Microsoft Bcl Build 1 0 21 build Microsoft Bcl Build targets      gt     lt Target Name  EnsureBclBuildImported  BeforeTargets  BeforeBuild  Condition     BclBuildImported          gt       lt Error Condition   Exists        packages Microsoft Bcl Build 1 0 21 build Microsoft Bcl Build targets    Text  This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 317567   HelpKeyword  BCLBUILD2001    gt       lt Error Condition  Exists        packages Microsoft Bcl Build 1 0 21 build Microsoft Bcl Build targets    Text  The build restored NuGet packages  Build the project again to include these packages in the build  For more information  see http   go microsoft com fwlink  LinkID 317568   HelpKeyword  BCLBUILD2002    gt      And the build was working again

User · Answer

One solution would be to remove from the  csproj file the following    lt Import Project    SolutionDir   nuget NuGet targets  Condition  Exists    SolutionDir   nuget NuGet targets      gt            This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 322105  The missing file is  0

User · Answer

These are the steps I used to fix the issue   To add nuget packages to your solution    Right click on the project  not solution  you want to reference nuget  packages  Choose  Manage nuget packages On the popup window  on the left you have three choices   If you choose Online   Microsoft  amp   NET  you will be able to install Microsoft ASP NET Web API 2 2 package grouper  or whatever package  you need - mine was this   Now right click on your solution  not project  and choose Enable nuget package restore  This will cause the packages to be automagically downloaded at compilation

User · Answer

If you are using TFS  Remove the NuGet exe and NuGet targets files from the solution s  nuget folder  Make sure the files themselves are also removed from the solution workspace      Retain the NuGet Config file to continue to bypass adding packages to source control   Edit each project file  e g    csproj   vbproj  in the solution and remove any references to the NuGet targets file  Open the project file s  in the editor of your choice and remove the following settings    lt RestorePackages gt true lt  RestorePackages gt         lt Import Project    SolutionDir   nuget nuget targets    gt         lt Target Name  EnsureNuGetPackageBuildImports  BeforeTargets  PrepareForBuild  gt         lt PropertyGroup gt           lt ErrorText gt This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 322105  The missing file is  0   lt  ErrorText gt       lt  PropertyGroup gt       lt Error Condition   Exists    SolutionDir   nuget NuGet targets    Text     System String   Format    ErrorText       SolutionDir   nuget NuGet targets       gt   lt  Target gt      If you are not using TFS  Remove the  nuget folder from your solution  Make sure the folder itself is also removed from the solution workspace   Edit each project file  e g    csproj   vbproj  in the solution and remove any references to the NuGet targets file  Open the project file s  in the editor of your choice and remove the following settings    lt RestorePackages gt true lt  RestorePackages gt         lt Import Project    SolutionDir   nuget nuget targets    gt         lt Target Name  EnsureNuGetPackageBuildImports  BeforeTargets  PrepareForBuild  gt         lt PropertyGroup gt           lt ErrorText gt This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 322105  The missing file is  0   lt  ErrorText gt       lt  PropertyGroup gt       lt Error Condition   Exists    SolutionDir   nuget NuGet targets    Text     System String   Format    ErrorText       SolutionDir   nuget NuGet targets       gt   lt  Target gt    Reference  Migrating MSBuild-Integrated solutions to use Automatic Package Restore

User · Answer

Removed below lines in  csproj file   lt Import Project    SolutionDir   nuget NuGet targets   Condition  Exists    SolutionDir   nuget NuGet targets      gt   lt Target Name  EnsureNuGetPackageBuildImports  BeforeTargets  PrepareForBuild  gt   lt PropertyGroup gt    lt ErrorText gt This project references NuGet package s  that are missing on this computer    Enable NuGet Package Restore to download them   For more information  see   http   go microsoft com fwlink  LinkID 322105  The missing file is  0   lt  ErrorText gt   lt  PropertyGroup gt   lt Error Condition   Exists    SolutionDir   nuget NuGet targets     Text     System String   Format    ErrorText        SolutionDir   nuget NuGet targets       gt   lt  Target gt

[visual-studio-2010] This project references NuGet package(s) that are missing on this computer

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