On my realm there is a error with the chat where when you send a message other players won't be able to see the message. This is the same case for everyone. However after around 15 minutes on average the chat messages will appear and they flood mine and everyone else's screen. This is extremely annoying as it makes the in game chat completely irrelevant and makes communication where it is required impossible. The screenshot I posted is a example of players sending messages but not seeing each others message, when I took the screenshot is after it had flooded the screen several minutes after the messages were sent.