841
Hasan Sahih+3
It was narrated that from ‘Amr bin Shu’aib, from his father, from his grandfather, that the Messenger of Allah (ﷺ) said:“Every prayer in which Fatihatil-Kitab (the Opening of the Book) is not recited, it is deficient, it is deficient.”
Hasan SahihAl-Albani
Hasan SahihMuhammad Fouad Abd al-Baqi