That thing is beat to fuck and looks old as hell. The core is exposed on the nose or tail (can't tail which) and from the pic it's looks to have been that way for awhile. The core is probably rotten from being exposed to water. Sorry to tell ya, but that board is probably trash.
"People say that marijuana smoking is going to get in the way of my career. I say to them that on the contrary, my fighting career is getting in the way of my marijuana smoking." -Nick Diaz