Cannot read property ' newline ' of undefined

Angularjs Error:

ERROR in./src/main.ts Module build Failed:TypeError:Cannot Read property ' newline ' of undefined
At Object.getnewlinecharacter (e:\web\myng\ng2\node_modules\typescript\lib\typescript.js:9514:20)
At Object.createcompilerhost (e:\web\myng\ng2\node_modules\typescript\lib\typescript.js:63770:26)
At Object.ngcloader (e:\web\myng\ng2\node_modules\.1.3.0@ @ngtools \webpack\src\loader.js:380:33)
@ Multi webpack-dev-server/client?http://localhost:4200./src/main.ts


ERROR in./src/polyfills.ts
Module Build Failed:TypeError:Cannot Read property ' newline ' of undefined
At Object.getnewlinecharacter (e:\web\myng\ng2\node_modules\typescript\lib\typescript.js:9514:20)
At Object.createcompilerhost (e:\web\myng\ng2\node_modules\typescript\lib\typescript.js:63770:26)
At Object.ngcloader (e:\web\myng\ng2\node_modules\.1.3.0@ @ngtools \webpack\src\loader.js:380:33)
@ Multi./src/polyfills.ts

webpack:failed to compile.

I just changed the version number, and then I couldn't run.

So directly to delete the Node_modules folder, once again npm install.

It's OK. It feels like there's a conflict in the bag.