Greetings!
Sounds like you're talking about this issue. More information will be shared in this thread when available:
https://forums.lineage2.com/topic/10572-known-issue-server-loginselect-issue/
Thank you!
This thread was added on January 12, 2019, with posts from UbiYubble, Onirique, Aurinya, [Fatshark] Julia.
Greetings!
We are currently experiencing server interruptions. See this thread for details:
https://forums.lineage2.com/topic/12085-issue-the-client-will-be-closed-continue/
Thank you!
You all should be good to go now! Let me know if you're still having issues connecting.
Looking in to it now