Issue
Receiving "ERROR:The username or password for the requested third party service could not be found." when running a Document Package that contains a SMTP or FTP delivery option.
Resolution
- Re-enter the username and password to confirm that everything is correct in Third Party Integrations.
Related Links
https://help.nintex.com/en-US/docgen/docservices/#docgen-sfdc/Services/setup/AddSMTPCredentials.htm