In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Rope
If you dream that you are holding a rope and are trying to ascend somewhere then you will enjoy success, but if you are descending with the rope then you will have bad luck in whatever you are trying to achieve.