Gravity/Render Issue

[dickie1985]

I have a fairly large build, Its Length is 701 Height is 345 and its Width is 688, Its a ship but i have discovered a issue with what i think is gravity/rendering issue, I can walk across it to i get to a certin block, then if i attempt to activate gravity i fall thru the ship as if its not there, Is this a multi sector issue where the ship visually renders but not block update with player pos, or something else, it bothers me as im trying to build and test things