[Haskell-cafe] ghc-mod errors in Emacs

Greetings dear Haskell community, I'm trying to use Spacemacs for Haskell development but as soon as I open a .hs file ghc-mod dumps errors: ghc-mod: <command line>: cannot satisfy -package-id base-4.6.0.1-8aa5d403c45ea59dcd2c39f123e27d57 (use -v for more information) <command line>: cannot satisfy -package-id base-4.6.0.1-8aa5d403c45ea59dcd2c39f123e27d57 (use -v for more information) <command line>: cannot satisfy -package-id base-4.6.0.1-8aa5d403c45ea59dcd2c39f123e27d57 (use -v for more information) I have ghc-mod version: 5.5.0.0 compiled by GHC 7.8.4. GHC version : 7.8.4 Emacs: 24.5.1 Spacemacs: 0.105.18 OS: Ubuntu 14.04.4 LTS Any help is appreciated, Djordje Grbic