Task Runner error - Angular 4 Template

Hi folks,

I am using Asp.net core 2 with Angular project type. I am getting error message from Task runner explorer and it says:

c:\Users\.......\ node_modules\@ngtools\webpack\src\plugin.js:8
const { __NGTOOLS_PRIVATE_API_2 } = require('@angular/compiler-cli');

SyntaxError: Unexpected token {
at exports.runInThisContext (vm.js:53:16)
at Module._compile (module.js:373:25)
at Object.Module._extensions..js (module.js:404:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Module.require (module.js:353:17)
at require (internal/module.js:12:17)
at Object.<anonymous> (C:\Users\......\node_modules\@ngtools\webpack\src\index.js:30:10)
at Module._compile (module.js:397:26)
at Object.Module._extensions..js (module.js:404:10)
Process terminated with code 1.

How do i fix it?
I am waiting for your response.
Thanks in advance!