Sunan Abi Dawud 2396
سنن أبي داود#2396Da'ifNarrated AbuHurayrah: The Prophet (ﷺ) said: If anyone breaks his fast one day in Ramadan without a concession granted to him by Allah, a perpetual fast will not atone for it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Shuaib Al ArnautDaif
Zubair Ali ZaiDaif
In-book reference: 14:84