Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of fckeditor-0.1) next goal: HaXml (dependency of fckeditor-0.1) rejecting: HaXml-1.25.3, HaXml-1.25.2, HaXml-1.25.1, HaXml-1.25, HaXml-1.24.1, HaXml-1.24, HaXml-1.23.3, HaXml-1.23.2, HaXml-1.23.1, HaXml-1.23, HaXml-1.22.5, HaXml-1.22.4, HaXml-1.22.3, HaXml-1.22.2, HaXml-1.22.1, HaXml-1.22, HaXml-1.20.2, HaXml-1.20.1, HaXml-1.20, HaXml-1.19.7, HaXml-1.19.6, HaXml-1.19.5, HaXml-1.19.4, HaXml-1.19.3, HaXml-1.19.2, HaXml-1.19.1, HaXml-1.19 (conflict: fckeditor => HaXml>=1.13 && <1.14) trying: HaXml-1.13.3 next goal: haskell98 (dependency of HaXml-1.13.3) rejecting: haskell98-2.0.0.3, haskell98-2.0.0.2, haskell98-2.0.0.1, haskell98-2.0.0.0 (conflict: HaXml => haskell98<2) rejecting: haskell98-1.1.0.1, haskell98-1.1.0.0, haskell98-1.0.1.1 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.0.1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base<4.6) rejecting: haskell98-1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base<4.3) Dependency tree exhaustively searched.