Resolving dependencies... cabal: Could not resolve dependencies: next goal: HGamer3D-Data (user goal) rejecting: HGamer3D-Data-0.5.0, 0.4.0, 0.3.2, 0.3.1, 0.3.0, 0.2.0, 0.1.9, 0.1.8, 0.1.7 (global constraint requires ==0.1.5) trying: HGamer3D-Data-0.1.5 trying: base-4.8.1.0/installed-4f7... (dependency of HGamer3D-Data-0.1.5) next goal: haskell98 (dependency of HGamer3D-Data-0.1.5) rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base>=4.7 && <4.8) rejecting: haskell98-2.0.0.2 (conflict: base==4.8.1.0/installed-4f7..., haskell98 => base==4.6.*) trying: haskell98-2.0.0.1 next goal: array (dependency of haskell98-2.0.0.1) rejecting: array-0.5.1.0/installed-d42..., 0.5.1.0, 0.5.0.0 (conflict: haskell98 => array>=0.3 && <0.5) rejecting: array-0.4.0.1 (conflict: base==4.8.1.0/installed-4f7..., array => base>=4.2 && <4.7) rejecting: array-0.4.0.0 (conflict: base==4.8.1.0/installed-4f7..., array => base>=4.2 && <4.6) rejecting: array-0.3.0.3 (conflict: base==4.8.1.0/installed-4f7..., array => base>=4.2 && <4.5) rejecting: array-0.3.0.2, 0.3.0.1 (conflict: base==4.8.1.0/installed-4f7..., array => base>=4.2 && <4.4) rejecting: array-0.3.0.0 (conflict: base==4.8.1.0/installed-4f7..., array => base>=3 && <4.4) rejecting: array-0.2.0.0, 0.1.0.0 (conflict: haskell98 => array>=0.3 && <0.5) Dependency tree exhaustively searched.