Angular4 Mixins 报错

Question

这是版本问题吗？
麻烦指点一下

ERROR in ./node_modules/raw-loader!./node_modules/postcss-loader/lib??embedded!./node_modules/sass-loader/lib/loader.js??ref--8-3!./src/styles.scss
[0] Module build failed:
[0] undefined
[0]         ^
[0]       Mixins may not be defined within control directives or other mixins.
[0]       in E:\Angular4Demo\taskmgr\node_modules\@angular\material\_theming.scss (line 2440, column 10)

Answer 1

github 搜的，可以一试
https://github.com/akveo/nebu...