Incorrect Configuration Settings or Keys
The main issue you will face is having the incorrect configuration settings for the Developers application in the Edlink Dashboard.
Eduplaces Client ID
The Eduplaces Client ID is the client ID that you use to connect to the server. Example: 00000000-0000-0000-0000-000000000000
Eduplaces Client Secret
The Eduplaces Client Secret is the client secret that you use to connect to the server. Example: ABC0123abc456zxyabcABC123Z