--On Friday, October 02, 2015 12:56 PM +0200 "Angel L. Mateo"
Is this a bug? If not, why I'm having this error? Any idea?
No, it is by design. You are encountering the error because that's what it
is designed to do. Whether or not that is the correct design is a
different question. But everything is working here as it is supposed to
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