One thing to check would be whether the php variable
session.use-only-cookies is set to 0. See the requirements section here:
http://www.qubit-toolkit.org/wiki/index.php?title=Multiple_file_upload
This page also documents the Flash requirements.
Something else we ran into, if I recall correctly, was not having
imagemagick installed, but if the link digital object function is
working, then that's probably not a factor.
Tim
It fails right across the board - I've been trying to import a number
of different files, all different sizes (500 KB to 10 MB) and types
(pdf, jpg, tif) but have gotten the same message every time.