[Koha-bugs] [Bug 7451] New: PrepareItemrecordDisplay missing $subfield_data{id} which breaks AJAX value_builders

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=7451

             Bug #: 7451
           Summary: PrepareItemrecordDisplay missing $subfield_data{id}
                    which breaks AJAX value_builders
    Classification: Unclassified
 Change sponsored?: ---
           Product: Koha
           Version: rel_3_6
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: P5 - low
         Component: Architecture, internals, and plumbing
        AssignedTo: gmcharlt at gmail.com
        ReportedBy: dpavlin at rot13.org
         QAContact: ian.walls at bywatersolutions.com


When using value_builders which have AJAX callback (like
cataloguing/value_builder/stocknumberam123.pl) we get JavaScript error in
browser because we are not initializing $subfield_data{id} (which is used as
unique identifier for this particular field instance).

This problem is also evident as warnings in intranet error log like this:

Use of uninitialized value $subfield_data{"id"} in concatenation (.) or string
at /srv/koha_ffzg//C4/Biblio.pm line 2664

but this affect just hidden fields and is not fatal, as opposed to AJAX example
which breaks functionality.

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