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.
Hadith ReferenceSunan Ibn Majah / Chapters on Sacrifices / Hadith: 3151
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:متفق عليه