Why does this setting block Zendesk skill mapping?

Why does this setting block Zendesk skill mapping?

Mapping Zendesk groups to Genesys Cloud skills via the Platform API by updating organization attributes returns a 400 Bad Request with invalid_attribute_value. We are migrating from Zendesk Support and trying to automate skill assignment. The payload matches the schema, but GC rejects the external ID mapping.

  • Validated JSON structure against the GC API docs.
  • Verified the Zendesk group IDs exist and are active.