It wasnarrated from Anas bin Malik that a man slaughtered on the DayofSacrifice, (meaning) before the 'Eid prayer, and the Prophet (ﷺ)ordered him to do it again. (FR)
English reference (FR): Vol. 4, Book 26, Hadith 3151 (FR)
Arabic reference (FR): Book 26, Hadith 3271 (FR)