Sunan Ibn Majah 3151
سنن ابن ماجه#3151Sahihحَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا إِسْمَاعِيلُ ابْنُ عُلَيَّةَ، عَنْ أَيُّوبَ، عَنْ مُحَمَّدِ بْنِ سِيرِينَ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّ رَجُلاً، ذَبَحَ يَوْمَ النَّحْرِ قَبْلَ الصَّلاَةِ فَأَمَرَهُ النَّبِيُّ ـ صلى الله عليه وسلم ـ أَنْ يُعِيدَ .
It was narrated from Anas bin Malik that a man slaughtered on the Day of Sacrifice, (meaning) before the ‘Eid prayer, and the Prophet (ﷺ) ordered him to do it again
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
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 26:32