Resolving dependencies... cabal: Could not resolve dependencies: next goal: layers-game (user goal) rejecting: layers-game-0.5, 0.4.3, 0.4.2, 0.4.1, 0.4 (global constraint requires ==0.3.1) trying: layers-game-0.3.1 trying: base-4.7.0.1/installed-e4b... (dependency of layers-game-0.3.1) next goal: Gamgine (dependency of layers-game-0.3.1) rejecting: Gamgine-0.5, 0.4.1, 0.4, 0.3 (conflict: layers-game => Gamgine==0.2.*) trying: Gamgine-0.2 next goal: array (dependency of Gamgine-0.2) rejecting: array-0.5.0.0/installed-98a..., 0.5.1.0, 0.5.0.0 (conflict: Gamgine => array>=0.4.0.1 && <0.5) rejecting: array-0.4.0.1 (conflict: base==4.7.0.1/installed-e4b..., array => base>=4.2 && <4.7) rejecting: array-0.4.0.0, 0.3.0.3, 0.3.0.2, 0.3.0.1, 0.3.0.0, 0.2.0.0, 0.1.0.0 (conflict: Gamgine => array>=0.4.0.1 && <0.5) Dependency tree exhaustively searched.