VS2015 build: unable to resolve Microsoft.Build.Framework #7

Unhandled Exception: System.TypeInitializationException: The type initializer for '<StartupCode$IfSharp>.$Evaluation' threw an exception. ---> System.Exception: Error creating evaluation session: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Build.Framework, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified.
File name: 'Microsoft.Build.Framework, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
   at Microsoft.FSharp.Compiler.MSBuildResolver.ResolveCore$cont@266(String targetProcessorArchitecture, String targetFrameworkVersion, FSharpList`1 targetFrameworkDirectories, ResolutionEnvironment resolutionEnvironment, Tuple`2[] references, String outputDirectory, FSharpFunc`2 logWarning, FSharpFunc`2 logMessage, FSharpFunc`2 logError, String implicitIncludeDir, String fsharpCoreExplicitDirOrFSharpBinariesDir, String frameworkRegistryBase, FSharpList`1 explicitIncludeDirs, String assemblyFoldersSuffix, String assemblyFoldersConditions, Boolean allowRawFileName, Unit unitVar)
   at Microsoft.FSharp.Compiler.MSBuildResolver.ResolveCore(ResolutionEnvironment resolutionEnvironment, Tuple`2[] references, String targetFrameworkVersion, FSharpList`1 targetFrameworkDirectories, String targetProcessorArchitecture, String outputDirectory, String fsharpCoreExplicitDirOrFSharpBinariesDir, FSharpList`1 explicitIncludeDirs, String implicitIncludeDir, String frameworkRegistryBase, String assemblyFoldersSuffix, String assemblyFoldersConditions, Boolean allowRawFileName, FSharpFunc`2 logMessage, FSharpFunc`2 logWarning, FSharpFunc`2 logError) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\ReferenceResolution.fs:line 266
   at Microsoft.FSharp.Compiler.MSBuildResolver.Resolve(ResolutionEnvironment resolutionEnvironment, IEnumerable`1 references, String targetFrameworkVersion, FSharpList`1 targetFrameworkDirectories, String targetProcessorArchitecture, String outputDirectory, String fsharpCoreExplicitDirOrFSharpBinariesDir, FSharpList`1 explicitIncludeDirs, String implicitIncludeDir, String frameworkRegistryBase, String assemblyFoldersSuffix, String assemblyFoldersConditions, FSharpFunc`2 logMessage, FSharpFunc`2 logWarning, FSharpFunc`2 logError) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\ReferenceResolution.fs:line 414
   at Microsoft.FSharp.Compiler.CompileOps.Resolve@2949-2(TcConfig tcConfig, ResolveAssemblyReferenceMode mode, range errorAndWarningRange, String targetFrameworkMajorMinor, String targetProcessorArchitecture, String outputDirectory, FSharpList`1 targetFrameworkDirectories, IEnumerable`1 references, Boolean showMessages) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\CompileOps.fs:line 2966
   at Microsoft.FSharp.Compiler.CompileOps.TcConfig.TryResolveLibsUsingMSBuildRules(TcConfig tcConfig, FSharpList`1 originalReferences, range errorAndWarningRange, ResolveAssemblyReferenceMode mode) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\CompileOps.fs:line 2975
   at Microsoft.FSharp.Compiler.CompileOps.TcAssemblyResolutions.Resolve(TcConfig tcConfig, FSharpList`1 assemblyList, FSharpList`1 knownUnresolved) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\CompileOps.fs:line 3391
   at Microsoft.FSharp.Compiler.CompileOps.TcAssemblyResolutions.SplitNonFoundationalResolutions(TcConfig tcConfig) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\CompileOps.fs:line 3417
   at Microsoft.FSharp.Compiler.IncrementalFSharpBuild.GetFrameworkTcImports(TcConfig tcConfig) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\vs\IncrementalBuild.fs:line 1095
   at Microsoft.FSharp.Compiler.Interactive.Shell.FsiEvaluationSession..ctor(FsiEvaluationSessionHostConfig fsi, String[] argv, TextReader inReader, TextWriter outWriter, TextWriter errorWriter, Boolean fsiCollectible) in C:\GitHub\fsharp\FSharp.Compiler.Service\src\fsharp\fsi\fsi.fs:line 2363