EU - Error 90006 / Error 2002

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

Good morning! Thank you for posting in the Final Fantasy XIV Technical Support Forums.

We apologize for the inconvenience. If the previously provided troubleshooting did not help and you would like to submit a report to have the issue investigated further, please visit this link:
https://secure.square-enix.com/enqt3...155cb8c5fc909c

Thank you once again for visiting the Final Fantasy XIV Technical Support Forums!

Link takes me to a page with a headline but nothing else. :o

Good morning! Thank you for posting in the Final Fantasy XIV Technical Support Forums.

We apologize for the inconvenience, please try using these links instead:
https://secure.square-enix.com/enqt3...NETWORK_N/html

Or

https://support.na.square-enix.com/c...382&la=1&fty=2

For the second link, please be sure to select the proper type of report you would like to make. For this type of issue, it should be the last one towards the bottom.

Thank you once again for visiting the Final Fantasy XIV Technical Support Forums!