Facebook is back.

Just after almost 24 hours, Facebook tweeted on Thursday, March 14, that the technical troubles that kept a lot of of its app — which includes Facebook, Instagram, WhatsApp, and Messenger — from operating on Wednesday have been “resolved.”

Facebook blamed the challenge on a “server configuration change.” (We’ve asked for a lot more specifics on what that implies and will update if we hear back.) On Wednesday, Facebook mentioned the outage was not the outcome of a “DDoS attack,” or a cyberattack. Final October, hackers stole the individual information of some 29 million Facebook customers.

“Yesterday, we produced a server configuration adjust that triggered a cascading series of concerns. As a outcome, a lot of people today had difficulty accessing our apps and solutions,” a organization spokesperson told Recode Thursday morning. “We have resolved the concerns, and our systems have been recovering more than the final couple of hours. We are incredibly sorry for the inconvenience and we appreciate everyone’s patience.”

It is not uncommon for web solutions to have brief, intermittent technical concerns that can effect their apps. Twitter was down so generally in its early days that it adopted a sort of character, the “fail whale,” to let people today know when an outage was taking place.

But these outages take place significantly less and significantly less often for providers of Facebook’s size, and Wednesday’s Facebook outage was uncommon, each in scope and length. Quite a few of Facebook’s apps had been down globally, which means it impacted millions of customers at any provided time, and the outage went on for almost 24 hours. It is by far the longest outage in current memory.

The outage didn’t just effect customers, although. Facebook’s company most likely took a small hit. Analysts estimate Facebook will bring in $69 billion in income in 2019, according to Yahoo Finance. That is an typical of $189 million per day, which is what was at stake yesterday. A drop in the bucket, yes, but a quite huge drop by most requirements.

Facebook stock was down about 1.five % on Thursday.