This was a partial solution: it got me past the missing datafile problem. However, now I have another error:

During interactive linking, GHCi couldn't find the following symbol:
  text__prelude_pm
This may be due to you not asking GHCi to load extra object files, arc
+hives or DLLs needed by your current session.  Restart GHCi, specifyi
+ng the missing library using the -L/path/to/object/dir and -lmissingl
+ibname flags, or simply by naming the relevant files on the GHCi comm
+and line. Alternatively, this link failure might indicate a bug in GH
+Ci. If you suspect the latter, please send a bug report to: glasgow-h
+askell-bugs@haskell.org
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