so I received this iPad for being in an advanced placement class in high school and I downloaded Facebook and Facebook messenger on it. After the recent updates of both apps, I tried logging in but a message popped up and said there had been an unexpected error. Error 311 (kCFErrorDomainCFNetwork) I have no clue what it means so id really appreciate some help if anyone could. I have turned the iPad off and on, and even reset the network and the actual device itself but yet nothing has helped. If you could help find a solution to this problem, I'd appreciate it, thanks.