Error Compilation Thread

It seems there are all sorts of threads popping up for all of the different errors. This makes it hard for if I get an error for the first time and want to find out wtf is going on. Also, do you really expect SE to wade through the mess that is the technical support forum? Come on!

I'll update this first post with information that all of you post. I'm just initially putting the errors I've received this week.

Error 10102

• Connection lost upon logging in.

Error 1016

• Can't load world data

Error 1017

• Too many people are playing on the world.
• By far the most common error.

Error 2002

• Login server error?

Error 2006

• Login server error?

Error 3102

• Character log-out process has not yet completed.
• The login server is not properly communicating with the world servers.

Error 90000

• Disconnect within the game.
• Can occur when transferring from the duty server to the world server and vise versa.

Unable to update [NA/EU][JP] world list

• The world servers are inaccessible to the login server.
• Maintenance.