tillweb exception

[sde1000]

Internal Server Error: /tillweb/haymakers/delivery/3383/

KeyError at /tillweb/haymakers/delivery/3383/
'itemsize'

Request Method: POST
Request URL: https://www.individualpubs.co.uk/tillweb/haymakers/delivery/3383/
Django Version: 3.2.19
Python Executable: /usr/bin/uwsgi-core
Python Version: 3.8.10
Python Path: ['/home/ipladmin/live/quicktill/', '.', '', '/home/ipladmin/live/ipladmin/~/live/ipladmin', '/home/ipladmin/live/ipladmin/~/live/quicktill', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/home/ipladmin/live/venv/lib/python3.8/site-packages', '/home/ipladmin/live/venv/lib/python3.8/site-packages/odf', '/home/ipladmin/live/venv/lib/python3.8/site-packages/odf', '/home/ipladmin/live/venv/lib/python3.8/site-packages/odf', '/home/ipladmin/live/venv/lib/python3.8/site-packages/odf', '/home/ipladmin/live/venv/lib/python3.8/site-packages/odf', '/home/ipladmin/live/venv/lib/python3.8/site-packages/odf', '/home/ipladmin/live/venv/lib/python3.8/site-packages/odf']
Server time: Thu, 11 May 2023 14:36:51 +0100
Installed Applications:
['django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.messages',
 'django.contrib.admin',
 'django.contrib.admindocs',
 'django.contrib.staticfiles',
 'django_bootstrap_breadcrumbs',
 'sorl.thumbnail',
 'widget_tweaks',
 'payroll.apps.PayrollConfig',
 'schedule.apps.ScheduleConfig',
 'mail.apps.MailConfig',
 'fcgiauth.apps.FCGIAuthConfig',
 'markup',
 'magiclinks',
 'photologue',
 'sortedm2m',
 'pubs.apps.PubsConfig',
 'staffinfo.apps.StaffInfoConfig',
 'safety.apps.SafetyConfig',
 'notify.apps.NotifyConfig',
 'pages.apps.PagesConfig',
 'quicktill.tillweb.apps.TillWebConfig']
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'pages.middleware.PagesFallbackMiddleware')

Traceback (most recent call last):
  File "/home/ipladmin/live/venv/lib/python3.8/site-packages/django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "/home/ipladmin/live/venv/lib/python3.8/site-packages/django/core/handlers/base.py", line 181, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/ipladmin/live/venv/lib/python3.8/site-packages/django/contrib/auth/decorators.py", line 21, in _wrapped_view
    return view_func(request, *args, **kwargs)
  File "/home/ipladmin/live/quicktill/quicktill/tillweb/views.py", line 277, in new_view
    result = view(request, info, *args, **kwargs)
  File "/home/ipladmin/live/quicktill/quicktill/tillweb/views.py", line 1260, in delivery
    if form.is_valid():
  File "/home/ipladmin/live/venv/lib/python3.8/site-packages/django/forms/forms.py", line 175, in is_valid
    return self.is_bound and not self.errors
  File "/home/ipladmin/live/venv/lib/python3.8/site-packages/django/forms/forms.py", line 170, in errors
    self.full_clean()
  File "/home/ipladmin/live/venv/lib/python3.8/site-packages/django/forms/forms.py", line 373, in full_clean
    self._clean_form()
  File "/home/ipladmin/live/venv/lib/python3.8/site-packages/django/forms/forms.py", line 400, in _clean_form
    cleaned_data = self.clean()
  File "/home/ipladmin/live/quicktill/quicktill/tillweb/views.py", line 1216, in clean
    if cd['itemsize'].unit != cd['stocktype'].unit:

Exception Type: KeyError at /tillweb/haymakers/delivery/3383/
Exception Value: 'itemsize'
Request information:
USER: Robert.Cook

GET: No GET data

POST:
csrfmiddlewaretoken = '(redacted)'
supplier = '52'
docnumber = '62525/100523/56'
date = '2023-05-10'
stocktype = '2284'
quantity = '2'
costprice = '26.98'
saleprice = '1.00'
bestbefore = ''
submit_update = ''

FILES: No FILES data