Ever since I updated to 1.4, i get a lot of errors. I found it out when I was playing MP and got a lot of connection errors, so looked in the console and got stuff like this.
Everything worked on 1.2, now I can't play mulyiplayer.
Images here:
http://img51.imageshack.us/i/wthn.jpg/
http://img860.imageshack.us/i/wth2.jpg/