EU - Error 90006 / Error 2002

[Seraphel]

EDIT: Was Error 90002 NOT 90006
Started getting these errors today. First time happened about 1 minute after login while checking retainers. Second time happened about 20 mins later, while in the middle of a Frontline.

Info:

Are you using a VPN? -> NO
Are you using a wired or wireless connection? -> WIRED
What Platform are you using? (Steam/Windows/Mac/PS4 etc.) -> WINDOWS
Does the issue occur with one character or multiple characters? -> ONE (use only 1)
At what point do you get disconnected and/or are unable to connect? -> SEE ABOVE (SPORADIC)
How often does the issue occur? (SEEMS TO NOT GO AWAY?)

Internet Service Provider: YouSee
Region/State: EU - DENMARK
All steps taken to resolve the issue:

Followed the guidelines mentioned here: https://forum.square-enix.com/ffxiv/...=1#post6550807