Could not load file or assembly 'Microsoft.Build.Tasks.v12.0, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'

[Tadimsky]

Hey,
I'm trying to build this project locally (so I can start looking into #160 ) but I'm getting the following output from running build.ps1:

c:\Users\joschm\Source\Repos\Nerdbank.GitVersioning>powershell.exe -ExecutionPolicy bypass -Command "& 'c:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\build.ps1'"  
C:\Program Files (x86)\Microsoft Visual Studio\Preview\Enterprise\MSBuild\15.0\bin\Microsoft.Common.CurrentVersion.targets(1490,5): error MSB4062: The "Microsoft.Build.Tasks.AssignProjectConfiguration" task could not be loaded from the assembly Microsoft.Build.Tasks.v12.0, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a. Could not load file or assembly 'Microsoft.Build.Tasks.v12.0, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified. Confirm that the <UsingTask> declaration is correct, that the assembly and all its dependencies are available, and that the task contains a public class that implements Microsoft.Build.Framework.ITask. [C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\src\Nerdbank.GitVersioning.NuGet\Nerdbank.GitVersioning.NuGet.nuproj]
  MSBuildExtensionTask -> C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\bin\MSBuildExtensionTask\Debug\net45\MSBuildExtensionTask.dll
  NerdBank.GitVersioning -> C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\bin\NerdBank.GitVersioning\Debug\net45\NerdBank.GitVersioning.dll
  MSBuildExtensionTask -> C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\bin\MSBuildExtensionTask\Debug\netcoreapp1.0\MSBuildExtensionTask.dll
  NerdBank.GitVersioning -> C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\bin\NerdBank.GitVersioning\Debug\netcoreapp1.0\NerdBank.GitVersioning.dll
  Nerdbank.GitVersioning.Tasks -> C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\bin\Nerdbank.GitVersioning.Tasks\Debug\net45\Nerdbank.GitVersioning.Tasks.dll
  NerdBank.GitVersioning.Tests -> C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\bin\NerdBank.GitVersioning.Tests\Debug\net452\NerdBank.GitVersioning.Tests.dll
  Nerdbank.GitVersioning.Tasks -> C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\bin\Nerdbank.GitVersioning.Tasks\Debug\netcoreapp1.0\Nerdbank.GitVersioning.Tasks.dll
C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\build.ps1 : Build failure
At line:1 char:1
+ & 'c:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\build.ps1'
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,build.ps1
 
MSBuild failed
At C:\Users\joschm\Source\Repos\Nerdbank.GitVersioning\build.ps1:33 char:13
+             throw "MSBuild failed"
+             ~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : OperationStopped: (MSBuild failed:String) [], RuntimeException
    + FullyQualifiedErrorId : MSBuild failed

I'm using VS 2017 - do I need some older version of MSBuild?

[AArnott]

Yes, you must install msbuild 14.