Constant 90002 Error

[Finalfreak]

Well, I'm pretty sure it has something to do with FFXIV though. I currently use Telenet (Belgian provider) and I see several 90001's and 90002's a day.
What I've noticed, is that it's not an instant disconnect. Once the 90k is about to happen, you are unable to receive/send /tells, /fc and /party chat. Most of the times you have no idea this happens, but you might feel ignored sometimes though..
After about 5 minutes of not being able to talk in the chat anymore, the 90001/90002 occurs (while perfectly able to play during those 5 minutes), but you are able to login immediatially after the dc again. So also no "You are still logged in" error.

I've never had this issue during FFXI, WoW, Maplestory and never had a disconnect during any of my games on Playstation 3/4. Only FFXIV has this problem. It occurs on both my pc version as my PS4 version of FFXIV. This clearly has something to do with FFXIV...

On top of that, my girlfriend is playing FFXIV right next to me. We're both on the same network and sometimes I receive a 90k while she doesn't and vica versa.
Also, I've tried WTFast today (some people hinted on the forum this would help preventing 90ks, but just got one a few minutes ago again )