It wasnarrated that Jabir bin 'Abdullah said:
"The Messenger ofAllah(ﷺ) said: 'Between a person and Kufr (disbelief) is abandoningthe prayer.'" (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1078 (RU)
Arabic reference (RU): Book 5, Hadith 1131 (RU)