added an assert
M src/main/net/dermetfan/kryonet/box2d/multiplayer/packets/updates/FixtureCreation.java +1 -0
@@ 58,6 58,7 @@ public class FixtureCreation extends Cre
 	/** disposes the shape of the {@link #fixtureDef} */
 	@Override
 	public void dispose() {
+		assert fixtureDef.shape != null;
 		fixtureDef.shape.dispose();
 	}