Imam ad-Dhahabi said his memory is weak in his biography.
Imam ad-Dhahabi on his memory. ad-Dhahabi mentioned himself in Dhayl dīwān al-ḍuʿafā 345 – محمد بن أحمد بن عثمان الغافقي: سيء الحفظ ليس بالمتقن ولا بالمتقي. سامحه الله تعالى. Muhammad bin Ahmad bin Uthman al Ghafiqi, he has weak memory, he is not memoriser neither…