Facebook sdk.js returns 404 error

Question

My web-app has the Facebook JS SDK implemented.

Yesterday, everything was working fine and without any modification on the code, the script request started to return

Answer 1

It is related to this bug, subscribe to get updated: https://developers.facebook.com/bugs/949091578557056/

There is a workaround to use .com instead of .net.

Edit: The bug is fixed now.