Not to allow the Sanctuary to remain unwatched

Numbers 18:5

KJV

And ye shall keep the charge of the sanctuary, and the charge of the altar: that there be no wrath any more upon the children of Israel.

ASV

And ye shall keep the charge of the sanctuary, and the charge of the altar; that there be wrath no more upon the children of Israel.

WEB

“You shall perform the duty of the sanctuary and the duty of the altar, that there be no more wrath on the children of Israel.

JPS

And ye shall keep the charge of the holy things, and the charge of the altar, that there be wrath no more upon the children of Israel.