Okay. I go on my Bukkit 1.6.2 (dev build) server, and right click a stair. I'm sitting! That is cool, but when I dismount (Left shift key) I get kicked and then my minecraft client crashes. How did that happen? Did a plugin cause it? How do I fix it? In the console, this shows up: When I right click a stair it also says: When I try to break it, it says This is the list of plugins I have if that would help: Anyone else got this glitch? I don't think this is on Bukkit's side, it may be one of the plugins.