Abu Hatim ibn Hibban al-Busti: He may have erred
Abu Abd Allah al-Hakim al-Naysaburi: He is only known by one hadith
Ibn Hajar al-Asqalani: Lenient hadith
al-Dhahabi: Not an argument
Authors of Tahrir Taqrib al-Tahdhib: Unknown, his narration was unique to his son Yaqub ibn Salama