I got the following error when I attempted to use cabal install just a moment ago. The hackage page makes it look like it builds just fine, so I'm wondering if anyone else has seen this or if I've somehow borked my setup. src/FRP/Reactive/PrimReactive.hs:103:42: Ambiguous occurrence `zipWith' It could refer to either `Prelude.zipWith', imported from Prelude at src/FRP/Reactive/PrimReactive.hs:61:0-26 or `Data.Zip.zipWith', imported from Data.Zip at src/FRP/Reactive/PrimReactive.hs:85:0-14 src/FRP/Reactive/PrimReactive.hs:116:31: Ambiguous occurrence `zipWith' It could refer to either `Prelude.zipWith', imported from Prelude at src/FRP/Reactive/PrimReactive.hs:61:0-26 or `Data.Zip.zipWith', imported from Data.Zip at src/FRP/Reactive/PrimReactive.hs:85:0-14 src/FRP/Reactive/PrimReactive.hs:118:14: Ambiguous occurrence `zipWith' It could refer to either `Prelude.zipWith', imported from Prelude at src/FRP/Reactive/PrimReactive.hs:61:0-26 or `Data.Zip.zipWith', imported from Data.Zip at src/FRP/Reactive/PrimReactive.hs:85:0-14 src/FRP/Reactive/PrimReactive.hs:778:39: Ambiguous occurrence `zipWith' It could refer to either `Prelude.zipWith', imported from Prelude at src/FRP/Reactive/PrimReactive.hs:61:0-26 or `Data.Zip.zipWith', imported from Data.Zip at src/FRP/Reactive/PrimReactive.hs:85:0-14 src/FRP/Reactive/PrimReactive.hs:797:17: Ambiguous occurrence `zipWith' It could refer to either `Prelude.zipWith', imported from Prelude at src/FRP/Reactive/PrimReactive.hs:61:0-26 or `Data.Zip.zipWith', imported from Data.Zip at src/FRP/Reactive/PrimReactive.hs:85:0-14