warning: cannot resolve "ghc=7.8.0.20140228-1", a dependency of "haskell-blaze-builder-conduit"
warning: cannot resolve "haskell-blaze-builder=0.3.3.2-56", a dependency of "haskell-blaze-builder-conduit"
warning: cannot resolve "haskell-conduit=1.0.17.1-2", a dependency of "haskell-blaze-builder-conduit"
warning: cannot resolve "haskell-text=1.1.0.1-1", a dependency of "haskell-blaze-builder-conduit"
:: The following package cannot be upgraded due to unresolvable dependencies:
haskell-blaze-builder-conduit
Is this why this happens?