Помилка у логах UnknownTimeZoneError: 'Etc/Unknown'

ENV: PROD

3 однакових помилки в 1 період часу (Jul 22, 2024 @ 04:46:04.371)

https://opendistro.prozorro.sale/app/discover#/doc/862d9920-c7eb-11ec-83f0-b53e9cf3f4f9/kuber-prod-2024.30?id=On9U2JABJY4hb6Hc-ixN

[2024-07-22 05:46:04,370] | 08607F00000198887F0000010050669DC7EB3A6A221092 | ERROR    | django.request | Internal Server Error: /auction_selection/auction-selection-form-save/41731/1580/06072024051757132792/
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "/marketplace-portal/marketplace_portal/middlewares/timezone.py", line 47, in __call__
    timezone.activate(pytz.timezone(tzname))
  File "/usr/local/lib/python3.9/site-packages/pytz/__init__.py", line 188, in timezone
    raise UnknownTimeZoneError(zone)
pytz.exceptions.UnknownTimeZoneError: 'Etc/Unknown'