Ibn Shihab (al-Zuhr) reported on the authority of Abu Bakr b. Sulaiman b. Abi Hathmah that the Messenger of Allah (ﷺ) did not make two prostrations when are made when one is doubtful until the people met him. Abu Dawud said; this tradition has also been transmitted by al-Zahidi from al-zuhr from Abu Bakr b. Sulaiman b. Abi HAthman from thre prophet (ﷺ). This version goes :he did not make two prostrations on account of forgetfulness

English translation · Sunan Abu Dawud