According to www.newsweek.com
"Some users on Facebook said they were getting error codes when they tried to use the app or post in it or when they tried to log on. "Error code 1" and "error code 2," were the popular messages they were seeing. Some were also reporting seeing the message: "Something went wrong." The issues were happening on both the web platform as well as in the app for users."
See a global map of ares of countries where Facebook and Instagram users are experiencing outages here.
This chart will show you a graph showing what time and how many reports of outages.
A lot of people are taking to Twitter to hilariously drag the Facebook/Instagram outage. See below.