Ibn 'Umar narrated from the Prophet (s.a.w):
"There will be a collapse of the earth and transformation in my Ummah, and that is for those who deny Al-Qadar." (JA)
English reference (JA): Vol. 4, Book 6, Hadith 2153 (JA)
Arabic reference (JA): Book 32, Hadith 2306 (JA)