Jami` at-Tirmidhi 322
جامع الترمذي#322HasanAmr bin Shu'aib narrated from his father, from his grandfather (Abdullah bin Amr Al-As), that :Allah's Messenger prohibited the recitation of poetry in the Masjid, and from selling and buying in it, and (he prohibited) the people from forming circles in it on Friday before the Salat
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan
Al-AlbaniHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 2:174