Craftland.org

When i log into the craftland, it lets me, but when i try to join the server it says this.
Internal Exception: java.io.IOException: packet 255: recieved string length longer then the maximum allowed <118> 100
Why does it say this?
Someone help me?

Try to deleate the .craftland file it may of been a corrupted/imporperly downloaded file If that fails try to update your Java