What was the curse of Macbeth?

According to an old superstition of the theater that had the name of "Scottish curse", pronouncing the name of Macbeth within the theater could cause disasters. In case it is pronounced by someone, there is a ritual to cleanse the curse. The tragedy of Shakespeare has been considered a cursed work, you should not name its two protagonists, or use their costumes or sets. There have been several mishaps with this work, including since the premiere.