Unhandled abstract form error on OTP stdlib

[jfacorro]

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Loading src/array.erl
Error: {unhandled_abstract_form,
           {paren_type,
               [{line,181},{column,24},{text,"N"}],
               [{ann_type,
                    [{line,181},{column,24},{text,"N"}],
                    [{var,[{line,181},{column,24},{text,"N"}],'N'},
                     {type,
                         [{line,181},{column,29},{text,"non_neg_integer"}],
                         non_neg_integer,[]}]}]}}.