Error found:
in module Main
at tests/purs/failing/Arrays.purs:6:26 - 6:27 (line 6, column 26 - line 6, column 27)

  Could not match type
       
    Int
       
  with type
            
    Array t0
            

while checking that type Int
  is at least as general as type Array t0
while checking that expression 0
  has type Array t0
in value declaration test

where t0 is an unknown type

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