element ui 升级2.15.7升级时报错_src\assets\styles\element-variables.scss 25:9 root

-  Building for production...
 ERROR  Failed to compile with 1 error1:49:30 AM
 
 error  in ./src/assets/styles/element-variables.scss
 
 
$--group-option-flex: 0 0 math.div(1, 5) * 100% !default;
                         ^
      Undefined function.
    ╷
490 │ $--group-option-flex: 0 0 math.div(1, 5) * 100% !default;
    │                           ^^^^^^^^^^^^^^
    ╵
  node_modules/element-ui/packages/theme-chalk/src/common/var.scss 490:27      @import
  node_modules/element-ui/packages/theme-chalk/src/common/transition.scss 1:9  @import
  node_modules/element-ui/packages/theme-chalk/src/base.scss 1:9               @import
  node_modules/element-ui/packages/theme-chalk/src/index.scss 1:9              @import
  stdin 25:9                                                                   root stylesheet
      in /usr/local/jenkins/workspace/transport-cloud-web/node_modules/element-ui/packages/theme-chalk/src/common/var.scss (line 490, column 27)

只要把node_modules文件夹删除掉,package-lock.json删除掉升级打包下载就可以了