Error found:
in module Main
at tests/purs/failing/DuplicateInstance.purs:6:1 - 6:16 (line 6, column 1 - line 6, column 16)

  Instance i has been defined multiple times:

    tests/purs/failing/DuplicateInstance.purs:6:1 - 6:16 (line 6, column 1 - line 6, column 16)


in type class instance
         
  Main.Y 
         

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