It wasnarrated from 'Ubadah bin Samit that the Prophet (ﷺ) said:
"Thereis no prayer for the one who does not recite Fatihatil-Kitab init." (IT)
English reference (IT): Vol. 1, Book 5, Hadith 837 (IT)
Arabic reference (IT): Book 5, Hadith 886 (IT)