You've made a big mistake that will cost you your lives by sending me to the Lord your God, asking, ‘Pray to the Lord our God for us, and let us know everything the Lord our God says and we'll do it.’
“Son of man, get one piece of wood and write on it: ‘This belongs to Judah and the Israelite tribes allied to them.’ Then get another piece of wood and write on it: ‘This belongs to Joseph. This is Ephraim's piece of wood, and to the Israelite tribes allied to them.’
The Lord told Aaron, “You and your sons and the other Levites bear the responsibility for sins relating to the sanctuary. You and your sons alone bear the responsibility for sins relating to your priesthood.
But only you and your sons are responsible for your priesthood, doing all that concerns the altar and is behind the veil. Only you are to perform that service. I am giving you the gift of your priesthood, but anyone else who approaches the sanctuary must be executed.”
The earth opened up and swallowed them down, along with Korah. His followers died when the fire burned up 250 men. What happened to them was a warning to the Israelites.