Error Build:Unknown compiler option 'lib' in angular application for Visual Studio 2015.

In this article, We will discuss about How to resolve Error Build:Unknown compiler option 'lib' in angular application for Visual Studio 2015.

To resolve this error, goto .csproj and open it in notepad or any other editor.

Search TypeScriptToolsVersion and change

<TypeScriptToolsVersion>1.8</TypeScriptToolsVersion>

to

<TypeScriptToolsVersion>2.0</TypeScriptToolsVersion>

and after that rebuild your application and Which will work fine.