message

I try to type, and it lets me, but when I press the enter key, I can't send the message. Can anyone help?

I went mining before the spirit's eve festival so when I got there I had a full inventory. When I got to the end of the maze I dropped some iron ore to pick up the prize and then the inventory full message wouldn't go away even when I wasn't near any dropped items. As soon as I left the festival...