Place pork chops in the bottom of the slow cooker.
Place the sweet potatoes, onion, and garlic on top of the pork chops.
Pour sauerkraut over the top of the sweet potatoes.
In a small bowl, mix water, sugar, ketchup, and spices. Pour over the top of the sauerkraut.
Cook on high for 1 hour. Then cook on low for 5 - 6 hours.