Facebook's falling share price wiped over €40 billion off its value.
It's after the social media site, along with Whatsapp and Instagram, were down for nearly six hours last night.
The social media giant is blaming a 'faulty configuration change' for its biggest ever outage.
We’re aware that some people are having trouble accessing Facebook app. We’re working to get things back to normal as quickly as possible, and we apologize for any inconvenience.
— Facebook App (@facebookapp) October 4, 2021
But Technology Correspondent, Jess Kelly, says there's little detail about what exactly happened:
"Something happened within Facebook which caused key digital records that tell computers where to find sites and apps were revoked."
She says its not clear if this was intentional, human error or if it was the work of a bad actor."
*Sincere* apologies to everyone impacted by outages of Facebook powered services right now. We are experiencing networking issues and teams are working as fast as possible to debug and restore as fast as possible
— Mike Schroepfer (@schrep) October 4, 2021
It has apologised to the company's 3.5 billion users who depend on their platforms.