This letter is interpreted as a bait that can help during dreams to gather information which we need when we are awake, in order to achieve our goals.
Dream dictionary: j ai rêvé je mange igname dream meanings
Escaping danger by fire. 38.
…(Pestilence) In a dream, a plague means itch, scabies, sycosis, or mange. To be inflicted with any type of such plagues in a dream means suffering from the same in wakefulness. If one sees a city struck with a plague in a dream, it means that he will witness the wrath of God Almighty befalling it. A plague in a dream also represents one’s grave, religious innovation, a journey that will take a full year, or a penalty imposed by the ruler. If one sees himself in a city which is struck by a plague in a dream, it means war. (Also see Epidemic disease)…