Null Reference while drawing

[Blecki]

NullReferenceException

Object reference not set to an instance of an object.

DwarfCorp.Bed in RenderSelectionBuffer at line 42:13

Void RenderSelectionBuffer(DwarfCorp.DwarfTime, DwarfCorp.ChunkManager, DwarfCorp.Camera, Microsoft.Xna.Framework.Graphics.SpriteBatch, Microsoft.Xna.Framework.Graphics.GraphicsDevice, DwarfCorp.Shader)

DwarfCorp.ComponentRenderer in RenderSelectionBuffer at line 33:22
DwarfCorp.WorldManager in Render at line 986:17
DwarfCorp.GameStates.PlayState in Render at line 500:21
DwarfCorp.GameStates.GameStateManager in Render at line 160:29
DwarfCorp.DwarfGame in Draw at line 767:13