Albert Barnes Commentary Ezekiel 13:5

"Ye have not gone up into the gaps, neither built up the wall for the house of Israel, to stand in the battle in the day of Jehovah." — Ezekiel 13:5 (ASV)

For - Or, before. In a time of siege, when there are gaps or breaches in the walls, it is the duty of the leaders to go up to defend them and to build defenses to stop the enemy's advance. Yahweh is now assailing His people as an enemy (Job 16:11–13), and where are those who claim to be prophets, leaders of the people?