Error found:
at tests/purs/failing/DuplicateModule.purs:2:1 - 2:16 (line 2, column 1 - line 2, column 16)

  Module M1 has been defined multiple times


See https://github.com/purescript/documentation/blob/master/errors/DuplicateModule.md for more information,
or to contribute content related to this error.