Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: iptadmin (user goal)
rejecting: iptadmin-1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.3.0, 1.2.1 (global
constraint requires ==1.2.0)
trying: iptadmin-1.2.0
trying: mtl-2.2.1 (dependency of iptadmin-1.2.0)
next goal: happstack-util (dependency of iptadmin-1.2.0)
rejecting: happstack-util-6.0.3, 6.0.2, 6.0.0 (conflict: mtl==2.2.1,
happstack-util => mtl>=1.1 && <2.1)
rejecting: happstack-util-0.5.0.3, 0.5.0.2, 0.5.0.1, 0.5.0, 0.4.1, 0.3.2,
0.3.1, 0.2.1, 0.1 (conflict: iptadmin => happstack-util>=6 && <6.1)
Backjump limit reached (change with --max-backjumps).