Fortimanager token authentication for API admin

Hello

https://docs.fortinet.com/document/fortimanager/7.2.0/new-features/47777/fortimanager-supports-authentication-token-for-api-administrators-7-2-2

I'm following above link to configure token authen for api admin in my fortimanager . I 'm trying but always get same  message

"{ "id": 2, "result": [ { "status": { "code": -11, "message": "No permission for the resource" }, "url": "\/sys\/status" } ], "session": 48079 }"