[Koha-bugs] [Bug 21556] Deleting same record twice leads to fatal software error

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=21556

--- Comment #14 from Jonathan Druart <jonathan.druart at bugs.koha-community.org> ---
Created attachment 81814
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=81814&action=edit
Bug 21556: Do not crash if a biblio is deleted twice

To recreate:
- Go to a bibliographic detail page
- Delete it
- Go back
- Delete it again
=> Without this patch you will get a 500
 Can't call method "holds" on an undefined value at
 /home/vagrant/kohaclone/C4/Biblio.pm line 406.
=> With this patch applied it will silently redirect you to the search
form.

Note: We could/should improve the behavior and display a message, but
DelBiblio will need to be moved to Koha::Biblio->delete and other
callers adjusted

Signed-off-by: Mark Tompsett <mtompset at hotmail.com>

Signed-off-by: Jonathan Druart <jonathan.druart at bugs.koha-community.org>

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