a (whole) raft of (something)
A very large number or collection of people or things. We had a whole raft of problems on opening night, but I think most of the issues have been resolved. While the film has been receiving positive reviews from critics, there's a raft of fans who are upset with the way it turned out.
a (whole) raft of —
a large collection of something. Raft here is an alteration of a dialect word raff , meaning ‘a great quantity’.
1998 Housing Agenda Since the election of Labour last May, the social inclusion agenda has come to span a whole raft of Government initiatives.