What is the unauthorized GraphQL query error that causes Facebook Messenger to not work?

Recently, many Facebook users when accessing Messenger encountered a serious error with the message "GraphQL query is unauthorized". This is an "unauthorized query due to not being able to check the permissions of some information fields" causing chat activities through Messenger to encounter errors and unable to open the chat as usual even though they receive a notification of a new message. send to.

Many users thought their accounts were hacked or locked by Facebook for some reason, so they panicked. However, in reality this is an original error on Facebook and Meta's part.

GraphQL is a computer language developed by Facebook that helps manipulate, query, and process open source data. It seems that the above error occurred because Facebook encountered a database query error using GraphQL

The Unauthorized GraphQL Query error affects nearly all Facebook users on web browsers on both Windows and Mac computers, including Chrome, Firefox, Edge or Safari. Those who use Facebook through the smartphone application will not encounter any unusual problems.

Up to now, most of the errors have been fixed by Facebook, users can access and use Facebook on computers normally.

However, there are still a few users reporting that they continue to encounter errors. Perhaps Facebook will completely fix this situation in a short time.