Question:
What is the intended function of the ADDRESS_REQUIRED Veeva Message? In which scenario is the error message displayed as: You must select at least one address?
Answer:
By default, if the user creates a new Account through the Parent Account Wizard and does not select an address, an error message appears: Invalid Data.
The function of the Veeva Message is to display a different message from the one above: You must select at least one address.
Related Documentation:
CRM Help Documentation: Parent Account Wizard