Cabal-simple_mPHDZzAJ_1.22.5.0_ghc-7.10.3: can't find source for Main in .

[Zhiwei Liu]

l@DESKTOP-82FI76C:/mnt/c/Users/zhiwei/Documents/write-you-a-haskell$ stack build
write-you-a-haskell-0.1.0.0: build (exe)
Preprocessing executable 'write-you-a-haskell' for
write-you-a-haskell-0.1.0.0...
Cabal-simple_mPHDZzAJ_1.22.5.0_ghc-7.10.3: can't find source for Main in .

-- While building package write-you-a-haskell-0.1.0.0 using:
/home/l/.stack/setup-exe-cache/x86_64-linux-nopie/Cabal-simple_mPHDZzAJ_1.22.5.0_ghc-7.10.3 --builddir=.stack-work/dist/x86_64-linux-nopie/Cabal-1.22.5.0 build exe:write-you-a-haskell --ghc-options " -ddump-hi -ddump-to-file"
Process exited with code: ExitFailure 1
l@DESKTOP-82FI76C:/mnt/c/Users/zhiwei/Documents/write-you-a-haskell$