The Parable, You Can't Be Admitted to the Law

The parable tells the story of a man who wants to be admitted to the law capital, l th. There's a person at the door that says, you can't be admission to the law,. What does that even mean? The introductory text to the law is always this allusiono to their being alcodified and written down. But then it's also personified or deified in some way because it says, like, before the law stands a doorkeeper.