Resolved the issue, The user has to have logged into the Moodle before so the account is copied into the Moodle user table
Web services
External Database User - Web Services
Dyskusyjŏ ôstała zaszperowanŏ, tōż niy możesz już ôdpedzieć.
Resolved the issue, The user has to have logged into the Moodle before so the account is copied into the Moodle user table