Muwatta MalikChapter 4Hadith 223
Full Sharh — Muwatta Malik 223
Daif
وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِنِّي لأَنْسَى أَوْ أُنَسَّى لأَسُنَّ " .
English Translation
Yahya related to me from Malik that he had heard that the Messenger of Allah, may Allah bless him and grant him peace, said, "I forget or I am made to forget so that I may establish the sunna
Source
Muwatta Malik(موطأ مالك)
Forgetfulness in Prayer
Hadith Number
223
Grade
Daif