package06e.hs:2:1:
    Failed to load interface for ‘HsTypes’
    It is a member of the hidden package ‘ghc-<VERSION>’.
    Use -v to see a list of the files searched for.

package06e.hs:3:1:
    Failed to load interface for ‘UniqFM’
    It is a member of the hidden package ‘ghc-<VERSION>’.
    Use -v to see a list of the files searched for.