Can't get into my game since the server merge.
Too many characters.
If you can't sign into the server because you have too many characters, there's probably been a server merge since you last signed in. It is likely that combining characters from two different servers took you over the maximum number of characters allowed on a single server.
If you get this problem, please contact support. Depending on your circumstances, we may be able to provide extra character slots. Please note, we can't provide more character slots than the maximum allowed on the server.
If you need to get into the server swiftly, you can temporary delete characters over level 40 for 24 hours. How to Delete a Character in TERA. If you do wish to consolidate characters, a temporary deletion will allow you to put any items into banks, and make decisions about characters.