<bug>: cancelled creating a pdf bill

[AC = any-doc]

Report sent via GNUmed's handler for unexpected exceptions.

user comment  : cancelled creating a pdf bill

client version: 1.8.9

system account: aimee
staff member  : Aimee Carroll (AC = any-doc)
sender email  : <supply email address for getting feedback on bug report>

 # enable Launchpad bug tracking
 affects gnumed
 tag automatic-report
 importance medium

Exception:

 type: <class 'TypeError'>
 value: 'NoneType' object is not subscriptable

Traceback:

  File "/usr/share/gnumed/Gnumed/wxpython/gmListWidgets.py", line 825, in 
_on_left_extra_button_pressed
    if not self.__left_extra_button_callback(item_data):
  File "/usr/share/gnumed/Gnumed/wxpython/gmBillingWidgets.py", line 1309, in 
_invoice_selected_items
    create_invoice_from_bill(parent = self, bill = bill, print_it = True, 
keep_a_copy = True)
  File "/usr/share/gnumed/Gnumed/wxpython/gmBillingWidgets.py", line 663, in 
create_invoice_from_bill
    bill['pk_doc'] = doc['pk_doc']

gnumed-2023_03_04-19_37_04-24905.log
Description: Text document