Messed up all Terrain/Biomes when entering some of the the save world.

This happen when entering some of the saved world. And then when you entered the world, you will see some weird stuff happen on all the Biomes/Terrain it self. Such as a randomly straigt Grass Blocks on different colors. It also affected on Water aswell such as Swamp Biome got long straight normal texture water. And also random spawned snow every where in all different biomes.