[Machine] That the Messenger of Allah ﷺ became aware (or it was mentioned to him) that he had performed his sacrifice, so he ordered him to repeat his sacrifice.  

أَنْ يَغْدُوَ رَسُولُ اللهِ ﷺ فَلَمَّا صَلَّى رَسُولُ اللهِ ﷺ ذَكَرَ ذَلِكَ لَهُ فَأَمَرَهُ أَنْ يُعِيدَ أُضْحِيَّتَهُ