error: credential already exists

Failed to add event to app ..
aio app init
aio app add events
```
✔ Finished running template @adobe/generator-add-events-generic
 ›   Error: [CoreConsoleAPISDK:ERROR_CREATE_OAUTH_SERVER_TO_SERVER_CREDENTIAL] 409 - Conflict 
 ›   ({"id":"XwuODNm97cd5Nrpw1vtgtfbEhCXQ6RFn","messages":[{"template":"ERR_MSG_CONFLICT","message":"Credential already exists"}]})
```