On 2 sep, 17:27, David Pollak <feeder.of.the.be...@gmail.com> wrote:
>
> Try:
>
> lazy val id = S.param("id").flatMap(Helpers.asLong) openOr -1L

I get:

Exception occured while processing /marca/162

Message: java.lang.IncompatibleClassChangeError
        net.liftweb.util.Full.flatMap(Box.scala:332)
        demo.helloworld.snippet.MarcaInfo$$M$1be0ea1b.id(MarcaInfo.scala:23)
        demo.helloworld.snippet.MarcaInfo$$A$1be0ea1b.id(<generated>)
        demo.helloworld.snippet.MarcaInfo.id(Marca.scala)
        demo.helloworld.snippet.MarcaInfo$$M$1be0ea1b.marca(MarcaInfo.scala:
29)
        demo.helloworld.snippet.MarcaInfo$$A$1be0ea1b.marca(<generated>)
        demo.helloworld.snippet.MarcaInfo.marca(Marca.scala)
        demo.helloworld.snippet.MarcaInfo$$M$1be0ea1b.datos(MarcaInfo.scala:
94)
        demo.helloworld.snippet.MarcaInfo$$A$1be0ea1b.datos(<generated>)
        demo.helloworld.snippet.MarcaInfo.datos(Marca.scala)

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