当我运行时yarn，我收到以下错误：
yarn install v0.16.1
[1/4] Resolving packages...
[2/4] Fetching packages...
error recursive-iterator@2.0.1: The engine "node" is incompatible with this module. Expected version ">=6.0.0".
error Found incompatible module
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
但是，我安装的 Node 版本是v6.9.2-pre，这对于版本范围似乎是正确的。任何想法为什么我会收到此错误？