Server randomly crashing

Any idea why this happens and how to fix it?

events.js:141
      throw er; // Unhandled 'error' event
      ^

Error: write after end
    at ServerResponse.OutgoingMessage.write (_http_outgoing.js:430:15)
    at IncomingMessage.ondata (_stream_readable.js:542:20)
    at emitOne (events.js:77:13)
    at IncomingMessage.emit (events.js:169:7)
    at IncomingMessage.Readable.read (_stream_readable.js:368:10)
    at flow (_stream_readable.js:759:26)
    at resume_ (_stream_readable.js:739:3)
    at nextTickCallbackWith2Args (node.js:442:9)
    at process._tickCallback (node.js:356:17)

I’ve seen it happening a bunch during local development recently.

Hi, were you able to solve this problem?

Yes. We were serving an iframe from the public folder for an ad. This wasn’t playing nicely with iron router. We added this item as a server side route and it fixed the issue.