As this fire on the altar was never permitted to go out, was not this typical of the displeasure of GOD against sin, which is always burning without a sacrifice? Hebrews 10:5-12.
Related Commentaries of Leviticus 6:8
Leviticus 6:8-9
8 And the LORD spake unto Moses, saying,
9 Command Aaron and his sons, saying, This is the law of the burnt offering: It is the burnt offering, because of the burning upon the altar all night unto the morning, and the fire of the altar shall be burning in it.