This version of CLI is only compatible with Angular versions

Angular报错：

root@ubuntu:/home/yg/rv/sdk/rv1.7/rv1126_rv1109/app/ipcweb-ng# ng serve Your global Angular CLI version (12.2.7) is greater than your local version (12.0.5). The local Angular CLI version is used.To disable this warning use "ng config -g cli.warnings.versionMismatch false". "CustomWebpackDevServerSchema" schema is using the keyword "id" which its support is deprecated. Use "$id" for schema ID. This version of CLI is only compatible with Angular versions ^12.0.0-next || >=12.0.0 <13.0.0, but Angular version 9.0.2 was found instead.Please visit the link below to find instructions on how to update Angular. https://update.angular.io/

解决办法，卸载当前本地angular版本，装符合标准的版本

root@ubuntu:/home/yg/rv/sdk/rv1.7/rv1126_rv1109/app/ipcweb-ng# ng serve "CustomWebpackDevServerSchema" schema is using the keyword "id" which its support is deprecated. Use "$id" for schema ID. This version of CLI is only compatible with Angular versions ^12.0.0-next || >=12.0.0 <13.0.0, but Angular version 9.0.7 was found instead.Please visit the link below to find instructions on how to update Angular. https://update.angular.io/

怎么一下9.0.2版本一下9.0.7版本的？

我尝试修改ipcweb-ng目录下的package.json和卸载或升级本地的angular，没有效果，

后来把rv1.7原装的ipcweb-ng拷贝过来，按步骤运行，好像没有再报这个错误了，但是报了其他的错误，

总结

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