Is There Just Two Levels?

Russell's paradox is the class of all classes that don't include themselves. It originates in a letter that russ wrote to gotlod fraga, when fraga presented his complete system of classes. And and russell was like, wait a minute. There's one little problem with this. So whichiit like a solution that does, it's like a i solution that doesn't really follow the logic of the system. Iiteo thes to there are just two different levels, and there're certain questions you can't ask about things on one level.