here is the error

Message: Call was not successful
Method:  POST
Path:    https://graph.facebook.com/v19.0/act_765601222223147/ads
Params:  {'status': 'PAUSED', 'name': 'xxxx', 'adset_id': '120208806750860576', 'creative': '{"creative_id":"120208806746090576"}'}

  Status:  400
  Response:
    {
      "error": {
        "message": "Invalid parameter",
        "type": "OAuthException",
        "code": 100,
        "error_subcode": 2446509,
        "is_transient": false,
        "error_user_title": "Invalid Ad Campaign Destination Type",
        "error_user_msg": "The ad campaign destination type is not valid",
        "fbtrace_id": "ATd0i1pFgqczQdjkxyS_9Fr"
      }
    }

I don't understand what " The ad campaign destination type is not valid " means I have tried change destination type in ad_set but not work. How can I fix this problem