详细错误信息如：

Schema validation failed with the following errors:

  Data path ".builders['app-shell']" should have required property 'class'.

Error: Schema validation failed with the following errors:

  Data path ".builders['app-shell']" should have required property 'class'.

    at MergeMapSubscriber._registry.compile.pipe.operators_1.concatMap.validatorResult [as project] (E:\project\GuangSheng\fileManage\newcode\filesmanagefrontend\node_modules\@angular-devkit\core\src\workspace\workspace.js:215:42)

先运行 ng version，查看当前angular版本很相关环境信息，如下：

根据ng信息，查看【package.json】，定位【"@angular-devkit/build-angular": "~0.13.0",】相关内容，将此处的版本对应上述ng 中显示的版本， 如^0.803.29 , 或者 ^0.10.0

然后重新  npm install  或者  yanr install，之后重新进行打包。