Facebook on Monday blamed the widespread outage across a suite of its social media and messaging services on faulty configuration changes on its routers. “Our engineering teams have learned that configuration changes on the backbone routers that coordinate network traffic between our data centers caused issues that interrupted this communication,” Facebook said in a blog post of the global outage on Monday. The Facebook, Instagram, and Whatsapp apps, all owned by Facebook, went offline for nearly six hours before some of them were restored. According to an outside trafficking firm, the outage appears to have been the most widespread in the company’s history, the Wall Street Journal reported. Facebook apologized in its statement on Monday, saying that the underlying cause of the outage impacted many of the internal tools and systems it uses in its day-to-day operations, “complicating our attempts to quickly diagnose and resolve the problem.” “This disruption to …