The Messenger of Allah ﷺ said, "No people sit in a gathering in which they do not remember Allah except that they will see it as a source of regret on the Day of Resurrection."
حدثنا أبو سعيد مولى بني هاشم حدثنا شداد أبو طلحة الراسبي سمعت أبا الوازع جابر بن عمرو يحدث
قال رسول الله ﷺ ما من قوم جلسوا مجلسا لم يذكروا الله فيه إلا رأوه حسرة يوم القيامة
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Its isnad is sahih. Abu Talha Rasibi is Shaddad bin Saeed Basri, whose reliability we established earlier at 1414, and we add here that Bukhari mentioned him in al-Kabir 2/2/228-229, saying that Abdul-Samad considered him daif, but neither Bukhari himself nor Nasai listed him among the daif narrators. Muslim cited him in his Sahih, and Ibn Hibban mentioned him among the reliable narrators, p. 493. Ahmad, Ibn Main, Nasai, and Abu Khaythama all considered him reliable.Rasibi is a designation referring to Banu Rasib, a tribe that settled in Basra. Abul-Wazza, whose name is Jabir bin Amr, as mentioned here after his kunya, and this is the correct reading confirmed in manuscript K. As for manuscript M, it has "I heard Abul-Wazza Jabir bin Amr" but with a fatha placed above the raa, which is a clear error. As for the printed edition J, it compounded the error further, nearly corrupting the isnad, for it reads, "I heard Abul-Wazza, Amr came narrating," and so on. Had the correct reading not been established from manuscript K, one might have thought that Abul-Wazza heard the hadith from a man named Amr, without knowing who he was. Abul-Wazza is spelled with a fatha on the waw and a kasra on the zaa.Jabir bin Amr Rasibi was a well-known and reliable Follower. Muslim cited him in his Sahih, and Ahmad, Yahya, and others considered him reliable. Bukhari mentioned him in al-Kabir 1/2/209, and Ibn Hibban mentioned him among the reliable narrators, p. 154.Haythami mentioned this hadith in Majma al-Zawaid 10:80, saying, Ahmad narrated it, and its narrators are the narrators of the Sahih.