21630: Cannot mutate Address that is linked to a verified Document.

This error occurs when you try to update an existing address that is already tied to verified regulatory compliance data. Some regulatory workflows require an AddressSid on a Supporting Document, and addresses already linked to regulatory compliance or emergency address registration cannot be modified or revalidated in place.

• You sent a POST update to an existing address after that address had already been linked to a verified Supporting Document used for regulatory compliance.
• The address is already associated with phone numbers for regulatory compliance, so Twilio blocks direct edits to preserve the approved compliance record. (help.twilio.com)
• The address is already being used for emergency address registration, which also prevents modifying or revalidating the existing record. (help.twilio.com)

• Create a new address with the corrected details instead of updating the existing linked address. Then use the new AddressSid anywhere an address is required.
• Before replacing the address, list the phone numbers that depend on it with GET /2010-04-01/Accounts/{AccountSid}/Addresses/{AddressSid}/DependentPhoneNumbers.json.
• Update the phone number or provisioning request to reference the new AddressSid so the correct address is mapped to the number. (help.twilio.com)
• If the address is part of approved regulatory compliance information that must change, create a Bundle Copy, update the copied compliance items, submit the copy for review, and then replace the items on the original bundle after approval.

• REST API: Addresses
• IncomingPhoneNumber resource
• API Getting Started: Compliance Information Update