Narrated Abdullah ibn Umar (ra): We counted that the Messenger of Allah (ﷺ) would say a hundred times during a meeting: "My Lord, forgive me and pardon me; Thou art the Pardoning and forgiving One".
(Sunan Abi Dawud 1516, Book 8, Hadith 101)
(Sunan Abi Dawud 1516, Book 8, Hadith 101)