It is narrated from Sayyiduna Uwaymir bin Ashqar that he once slaughtered the sacrificial animal before the Prophet (ﷺ). When the Prophet (ﷺ) finished the Eid prayer, he mentioned this to the Prophet (ﷺ), and the Prophet (ﷺ) ordered him to offer the sacrifice again.
Hadith Referenceمسند احمد / مسند المكيين / 15762
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لانقطاعه، عباد بن تميم لم يسمع من عويمر