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
COMMON A whole raft of people or things is a large number of them. This is likely to affect a whole raft of consumer industries. Under Lord Cornwallis, a whole raft of legislation was brought in.