Greetings, Saviors.
We have compiled and uploaded the list of known issues. We are aware and currently working on those issues.
Link: https://treeofsavior.com/news/?n=512
Please let us know via Support Ticket if you are experiencing other problems. When reporting issues, please be as detailed as possible. Screenshots, character/Team/server/class details, and timestamps would be greatly appreciated. That way we can have more information to work with on a more specified problem allowing it to be resolved faster.