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hakim:1569 – Abū ʿAbd al-Raḥman b. Muḥammad b. ʿAbdullāh al-Tājir > Abū Ḥātim Muḥammad b. Idrīs > Muḥammad b. ʿAbdullāh al-Anṣārī > Muḥammad b. ʿAmr > Abū Salamah > Abū Hurayrah

[Machine] The Prophet ﷺ said, "Whoever breaks their fast in Ramadan due to forgetfulness, there is no expiation or compensation upon them."  

الحاكم:١٥٦٩ – أَخْبَرَنِي أَبُو عَبْدِ الرَّحْمَنِ بْنِ مُحَمَّدِ بْنِ عَبْدِ اللَّهِ التَّاجِرُ ثنا أَبُو حَاتِمٍ مُحَمَّدُ بْنُ إِدْرِيسَ ثنا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ الْأَنْصَارِيُّ ثنا مُحَمَّدُ بْنُ عَمْرٍو عَنْ أَبِي سَلَمَةَ عَنْ أَبِي هُرَيْرَةَ

أَنَّ النَّبِيَّ ﷺ قَالَ «مَنْ أَفْطَرَ فِي رَمَضَانَ نَاسِيًا فَلَا قَضَاءَ عَلَيْهِ وَلَا كَفَّارَةَ»  

هَذَا حَدِيثٌ صَحِيحٌ عَلَى شَرْطِ مُسْلِمٍ وَلَمْ يُخَرِّجَاهُ بِهَذِهِ السِّيَاقَةِ

See similar narrations below:

Collected by Ibn Ḥibbān, Suyūṭī

ذِكْرُ نَفْيِ الْقَضَاءِ وَالْكَفَّارَةِ عَلَى الْآكِلِ الصَّائِمِ فِي شَهْرِ رَمَضَانَ نَاسِيًا

ibnhibban:3521 – Muḥammad b. Isḥāq b. Khuzaymah > Ibrāhīm b. Muḥammad b. Marzūq al-Bāhilī Bi-al-Baṣrah > Muḥammad b. ʿAbdullāh al-Anṣārī > Muḥammad b. ʿAmr > Abū Salamah > Abū Hurayrah

[Machine] The Prophet ﷺ said, "Whoever breaks their fast in the month of Ramadan forgetfully, there is no make-up (obligatory fasting) or expiation (atonement) upon them."  

ابن حبّان:٣٥٢١ – أَخْبَرَنَا مُحَمَّدُ بْنُ إِسْحَاقَ بْنِ خُزَيْمَةَ حَدَّثَنَا إِبْرَاهِيمُ بْنُ مُحَمَّدِ بْنِ مَرْزُوقٍ الْبَاهِلِيُّ بِالْبَصْرَةَ حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ الْأَنْصَارِيُّ حَدَّثَنَا مُحَمَّدُ بْنُ عَمْرٍو عَنْ أَبِي سَلَمَةَ عَنْ أَبِي هُرَيْرَةَ

أَنَّ النَّبِيَّ ﷺ قَالَ «مَنْ أَفْطَرَ فِي شَهْرِ رَمَضَانَ نَاسِيًا فَلَا قَضَاءَ عَلَيْهِ وَلَا كَفَّارَةَ»