well then did you install the yum tools on fedora 17 ?
Code:
su -
yum install yum-utils
the error told you HOW to fix the problem
run" complete transaction "
see the yum manual
Code:
su -
man yum
--- and the help ----
yum --help
Code:
su -
yum-complete-transaction
to see the "auto complete" possible options
type in "yum" and hit the <tab> button twice