Configuring conversion-bytestring-1.0.1...
Error:
    The following packages are broken because other packages they depend on are missing. These broken packages must be rebuilt before they can be used.
installed package conversion-1.2.1 is broken due to missing package base-prelude-1.4-wnQZLjYbC0AMx10nDA4zk

==> ERROR: A failure occurred in build().
    Aborting...