account_xunnel: webhook_hanlder call _sync_xunnel_providers wich expects a record ValueError("Expected singleton: %s" % self)

Here you are calling _sync_xunnel_providers https://git.vauxoo.com/vauxoo/xunnel-account/-/blob/12.0/account_xunnel/controllers/main.py#L32-33

but there no record in the set, so it fails at this line https://git.vauxoo.com/vauxoo/xunnel-account/-/blob/12.0/account_xunnel/models/res_company.py#L55

res.company()

https://sentry.vauxoo.com/organizations/vauxoo/issues/5554/?environment=production&project=15&query=url%3A%22https%3A%2F%2Fwww.vauxoo.com%2Faccount_xunnel%2Fxunnel_webhook_connection%2F%22