Unable to validate address configuration for provided address SID. Auto create webhook URL missing.
Address configuration associated with the provided address SID has auto create type set to WEBHOOK but no webhook URL was provided.
Ensure that the address SID provided is valid and associated with the correct account.
Ensure that the auto create type provided is correct. If your auto create type is WEBHOOK, ensure the webhook url is present and valid in the address configuration.
Read more about creating and updating an address configuration resource here.
Read more about webhooks and their applications here.