Sunan Abi Dawud 1013
سنن أبي داود#1013Da'ifIbn 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
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih
In-book reference: 2:624