Resolving dependencies...
cabal: Could not resolve dependencies:
trying: happs-tutorial-0.9.5 (user goal)
trying: happstack-state-6.1.4 (dependency of happs-tutorial-0.9.5)
trying: template-haskell-2.11.0.0/installed-2.1... (dependency of
happstack-state-6.1.4)
next goal: happstack-data (dependency of happs-tutorial-0.9.5)
rejecting: happstack-data-6.0.1 (conflict:
template-haskell==2.11.0.0/installed-2.1..., happstack-data =>
template-haskell<2.7)
rejecting: happstack-data-6.0.0, happstack-data-0.5.0.3,
happstack-data-0.5.0.2, happstack-data-0.5.0 (conflict: happstack-state =>
happstack-data>=6.0.1 && <6.1)
rejecting: happstack-data-0.4.1, happstack-data-0.3.3, happstack-data-0.3.2,
happstack-data-0.3.1, happstack-data-0.2.1, happstack-data-0.1 (conflict:
happs-tutorial => happstack-data>=0.5)
Dependency tree exhaustively searched.