Resolving dependencies... Configuring Javav-0.0.1... Building Javav-0.0.1... Failed to install Javav-0.0.1 Build log ( /home/builder/.cabal/logs/Javav-0.0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-26528/Javav-0.0.1' Configuring Javav-0.0.1... Building Javav-0.0.1... Preprocessing executable 'javav' for Javav-0.0.1... [1 of 2] Compiling Language.Java.Javav ( Language/Java/Javav.hs, dist/build/javav/javav-tmp/Language/Java/Javav.o ) Language/Java/Javav.hs:73:39: error: Variable not in scope: catch :: IO Version -> (IOError -> m0 Error) -> IO Version cabal: Leaving directory '/tmp/cabal-tmp-26528/Javav-0.0.1' cabal: Error: some packages failed to install: Javav-0.0.1 failed during the building phase. The exception was: ExitFailure 1