Background
Configuring a new predictive dialing campaign within Genesys Cloud for the Paris region. The flow utilizes standard IVR logic with no complex scripting.
Issue
The campaign fails to activate, returning a 400 Bad Request error. The payload indicates invalid_campaign_settings. The dial ratio is set to 10, and the list size is under 1000 contacts.
Troubleshooting
Verified E.164 formatting in the source data. Checked timezone alignment (Europe/Paris). No API modifications were made. Is there a specific constraint on predictive routing metrics or campaign configuration that triggers this specific error code?