I have no idea what these messages I've received mean:
root has broken dependencies in the rawhide tree:
On x86_64:
root-unuran-5.26.00e-1.fc15.x86_64 requires libunuran.so.14()(64bit)
On i386:
root-unuran-5.26.00e-1.fc15.i686 requires libunuran.so.14
Please resolve this as soon as possible.