Resolving dependencies... cabal: Could not resolve dependencies: trying: shared-fields-0.1.0.0 (user goal) trying: base-4.7.0.1/installed-e4b... (dependency of shared-fields-0.1.0.0) next goal: template-haskell (dependency of shared-fields-0.1.0.0) rejecting: template-haskell-2.9.0.0/installed-3af... (conflict: shared-fields => template-haskell>=2.10 && <2.11) rejecting: template-haskell-2.10.0.0 (conflict: base==4.7.0.1/installed-e4b..., template-haskell => base==4.8.*) rejecting: template-haskell-2.9.0.0, 2.8.0.0, 2.7.0.0, 2.6.0.0, 2.5.0.0, 2.4.0.1, 2.4.0.0, 2.3.0.1, 2.3.0.0, 2.2.0.0 (conflict: shared-fields => template-haskell>=2.10 && <2.11) Dependency tree exhaustively searched.