When compiling UE4.11, GenerateProjectFiles ERROR

anonymous_user_5bd77415
Tue, 26 Apr 2016 13:39:15 +0000
Getting Started & Setup

When I compiling UE4.11 souce code, double click GenerateProjectFiles.bat, it says:

*Setting up Unreal Engine 4 project files...

UnrealBuildTool Exception: System.NullReferenceException: Object reference not s
et to an instance of an object.
   at UnrealBuildTool.ProjectFileGenerator.ConfigureProjectFileGeneration(String
[] Arguments, Boolean& IncludeAllPlatforms) in D:\Unreal Engine 4.11\Engine\Sour
ce\Programs\UnrealBuildTool\System\ProjectFileGenerator.cs:line 805
   at UnrealBuildTool.VCProjectFileGenerator.ConfigureProjectFileGeneration(Stri
ng[] Arguments, Boolean& IncludeAllPlatforms) in D:\Unreal Engine 4.11\Engine\So
urce\Programs\UnrealBuildTool\System\VCProjectFileGenerator.cs:line 202
   at UnrealBuildTool.ProjectFileGenerator.GenerateProjectFiles(String[] Argumen
ts, Boolean& bSuccess) in D:\Unreal Engine 4.11\Engine\Source\Programs\UnrealBui
ldTool\System\ProjectFileGenerator.cs:line 309
   at UnrealBuildTool.UnrealBuildTool.GenerateProjectFiles(ProjectFileGenerator
Generator, String[] Arguments) in D:\Unreal Engine 4.11\Engine\Source\Programs\U
nrealBuildTool\System\UnrealBuildTool.cs:line 1468
   at UnrealBuildTool.UnrealBuildTool.DoPostStartupStuffThatCanAccessConfigs(Str
ing[] Arguments) in D:\Unreal Engine 4.11\Engine\Source\Programs\UnrealBuildTool
\System\UnrealBuildTool.cs:line 1266

GenerateProjectFiles ERROR: UnrealBuildTool was unable to generate project files
.

Press any key to continue . . .

here are my computer information

OS: /64bit
Visual Studio community 2015

i don’t know ! what i do??

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