[Koha] Error appearing upon scanning/entering Barcodes - PLEASE HELP!!!

[Joel Harbottle]

Hi All,

I¹m having a problem with Koha and the scanning/entering of Item and Patron
Barcodes.

Whenever you scan/enter a barcode or patron barcode in any module of Koha
(Acquisitions, Cataloguing, Circulation [Checkin/Out], Serials, etc.) the
following error will appear and Koha won¹t perform the action you require it
to do, e.g. Checkout or Checkin an item, or attach an item to a
Bibliographic record.


Software error:

Can't call method "subfield" on an undefined value at
/home/koha/kohaclone/C4/Biblio.pm line 2880.
For help, please send mail to the webmaster (webmaster at koha), giving this
error message and the time and date of the error.


Has someone out in the Koha Community had this problem and know of a
solution to fix it!

At present, our system is on Koha 3.4.

Thankyou in advance for your assistance.

Kindest Regards,
Joel

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