Sunan Ibn Majah 158
سنن ابن ماجه#158Sahihحَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنِ الأَعْمَشِ، عَنْ أَبِي سُفْيَانَ، عَنْ جَابِرٍ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " اهْتَزَّ عَرْشُ اللَّهِ عَزَّ وَجَلَّ لِمَوْتِ سَعْدِ بْنِ مُعَاذٍ " .
It was narrated that Jabir said:"The Messenger of Allah said: 'The Throne of The Most Merciful trembled upon the death of Sa'd bin Mu'adh
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih - Bukhari And Muslim