SSO_SYNC not working

[itsbhanusharma (Bhanu Sharma)]

As per

Sync DiscourseConnect user data with the sync_sso route

Single Sign On can be used to handle Discourse user authentication from a separate site. The Setup DiscourseConnect - Official Single-Sign-On for Discourse (sso) topic has details about how to implement DiscourseConnect. The Problem With DiscourseConnect, Discourse users will be created or updated when they login to Discourse from your external website. What it doesn’t handle is when you need to create or update Discourse users without having them login to your site. For sites that are using D…

You have to use the following:

$api_username = 'system';