Fixing “The following modules couldn’t be hot updated”, “Full reload needed”

I wrote a small React application to test hot loading components using webpack-hotmiddleware, and received the following error: [HMR] The following modules couldn’t be hot updated: (Full reload needed) This is usually because the modules which have changed (and their parents) do not know how to hot reload themselves. See http://webpack.github.io/docs/hot-module-replacement-with-webpack.html for more details. process-update.js:69 …