(Allah) said, “Do not bicker in my presence (there is no point in arguing in My presence)! I had already warned you about what was to come!”
Al-muntakhab fi tafsir al-Qur'an al-Karim
Then will Allah say: "Do not altercate with each other in My presence; I had already and thus early sent you a spectacle and a warning and Books and narratives by which moral and spiritual relations are typically set forth."