IntegrityError: null value in column "allowed_projects" violates not-null constraint

[sentry-io]

Sentry Issue: FLAGSMITH-API-3FX

NotNullViolation: null value in column "allowed_projects" violates not-null constraint
DETAIL:  Failing row contains (10232, 2023-08-31 11:27:13.094769+00, 2857, 11700, 39370, 3, 1000000, 3034, [email protected], null, 2023-08-31 11:27:13.092153+00, null).

  File "django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)

IntegrityError: null value in column "allowed_projects" violates not-null constraint
DETAIL:  Failing row contains (10232, 2023-08-31 11:27:13.094769+00, 2857, 11700, 39370, 3, 1000000, 3034, [email protected], null, 2023-08-31 11:27:13.092153+00, null).

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  File "organisations/views.py", line 299, in chargebee_webhook
    OrganisationSubscriptionInformationCache.objects.update_or_create(