They i.e 'Ali and al-'Abbas (Allah be pleased with them), were quarrelling about what Allah bestowed on His Messenger of Allah (ﷺ), that is, the property of Banu al-Nadir.
Abu Dawud said: He ('Umar) intended that the name of division should not apply to it.
Reference: Sunan Abi Dawud 2964 In-book : Book 20, Hadith 37 English translation : Book 19, Hadith 2958
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