Resolving dependencies...
Configuring paphragen-0.1.0.0...
Building paphragen-0.1.0.0...
Failed to install paphragen-0.1.0.0
Build log ( /home/builder/.cabal/logs/paphragen-0.1.0.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-31044/paphragen-0.1.0.0'
Configuring paphragen-0.1.0.0...
Building paphragen-0.1.0.0...
Preprocessing executable 'paphragen' for paphragen-0.1.0.0...
[1 of 1] Compiling Main             ( src/Main.hs, dist/build/paphragen/paphragen-tmp/Main.o )

src/Main.hs:50:19: error:
    • Variable not in scope: putStrLN :: String -> IO ()
    • Perhaps you meant one of these:
        ‘putStrLn’ (imported from System.IO),
        ‘BS.putStrLn’ (imported from Data.ByteString.Lazy),
        ‘putStr’ (imported from System.IO)
cabal: Leaving directory '/tmp/cabal-tmp-31044/paphragen-0.1.0.0'
cabal: Error: some packages failed to install:
paphragen-0.1.0.0 failed during the building phase. The exception was:
ExitFailure 1