My server is really messed up, every day there is a sudden intense lag and then the server crashes. I deleted logblock because it was one of the plugins people in the IRC suggested was causing it, googling has not helped :< http://pastebin.com/2fDp9ajX for most recent (some cut out to fit pastebin) this is before I deleted logblock http://pastebin.com/feRgWs5c I have no idea what's wrong :<
That is a chunk error. I would scan the world with MCEdit which I don't really know how to use xD but it is possible to fix it with that software.
