Abu Ahmad ibn Adi al-Jurjani: He plagiarizes Hadith
Abu al-Fath al-Azdi: He is rejected in Hadith
Abu al-Faraj ibn al-Jawzi: He is weak
Abu Ja'far al-'Uqayli: He makes many mistakes, a Basri
Ahmad ibn Hanbal: His Hadiths are fabricated
Ibrahim ibn Bakr al-Lakhmi: He is rejected in Hadith and sometimes makes many mistakes
al-Daraqutni: Abandoned
al-Dhahabi: I don't know him