Build ederken bu hata ne acaba yardımcı olur musunuz?

[bugraozcan 2]

Error 1 error MSB8020: The builds tools for v140 (Platform Toolset = 'v140') cannot be found. To build using the v140 build tools, either click the Project menu or right-click the solution, and then select "Update VC++ Projects...". Install v140 to build using the v140 build tools. C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V110\Microsoft.Cpp.Platform.targets 44 5 Lua

[cngzclk 2]

AIServer, GameServer,LogınServer,Lua,Shared hepsinde tek tek sag tıkla properties General Platform toolset değiştir ..