problem with barcode scanner

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  • Franz
    Teilnehmer
      vor 5 Jahren, 9 Monaten #19550

      hi,

      when using a barcode scanner in a “module”, the mapping of the result parameters (“text” and “format”) to a struct fails with “Uncaught Path points to undefined field.”

      thx.

      Mathieu Roll
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      vor 5 Jahren, 9 Monaten #17353
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      Hello Klaus,

      the problem is that you are trying to move the data into a structure wich has no default values for the fields.

      You have to set a initial default value for all fields you want to access.

      Here you can find a little video showing how to fix this.

      https://www.loom.com/share/eb8e867fb7354345a4f4d318776748a4

      Klaus79
      Teilnehmer
        vor 5 Jahren, 9 Monaten #17346
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        What does that error message mean?

        I’ve mapped an integer field from an structure (global variable) to another int field from another global structure.

        Chris Bouveret
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        vor 5 Jahren, 9 Monaten #17347
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        Hi there,

        can you please attach a screenshot or provide a transport of your app so that we can elaborate on this matter?

        Klaus79
        Teilnehmer
          vor 5 Jahren, 9 Monaten #17348
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          see attached the story detail.

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          Mathieu Roll
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          vor 5 Jahren, 3 Monaten #19621
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          Hello Franz,

           

          you need to predefine your variable structure like i mentioned here.

          https://community.simplifier.io/forum/topic/error-path-points-to-undefined-field/

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