Angular4 ng serve --prod报错 found

ERROR in ./src/main.ts
Module not found: Error: Can't resolve './$$_gendir/app/app.module.ngfactory' in 'D:\work\atk-manage\src'
ERROR in Error: Metadata version mismatch for module D:/work/atk-manage/node_modules/@ng-bootstrap/ng-bootstrap/accordion/accordion-config.d.ts, found version 4, expected 3...

错误原因：

angular4与ng-bootstrap 1.0.0-beta.5版本不兼容

解决办法

降低ng-bootstrap的版本（如：ng-bootstrap 1.0.0-beta.4）