Bulugh al-Maram 279c

And in another narration of Ahmad, Abu Dawud, at-Tirmidhi, and Ibn Hibban is:

"Perhaps you recite behind your Imam?" We replied, "Yes." He [the Prophet (ﷺ)] said, "Do not do so except when it is (Surat) Fatiha al-Kitab, for the Salat (prayer) of the one who does not recite it, is not accepted."