What was the reason for FB, Whatsapp being down?

WhatsApp, Instagram, and Facebook services had remained down for the majority of users since last night for seven hours. Several users had taken to Twitter to report an outage on these platforms. At the time of writing this article, all three services were showing an error that is refreshing. While WhatsApp isn't sending or receiving messages, Instagram showed couldn't refresh the feed. Similarly, the Facebook page took forever to load. The reason was told that due to the configuration the sites were out of order. Facebook's Twitter handle tweeted that We are aware that some people are having trouble accessing our apps and products. We are working to get things back to normal as quickly as possible, and we apologize for any inconvenience. Watch this video.