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