{
  "timestamp": "2026-09-11T08:00:23.709417+00:00",
  "error": "Meta API error on 120252431814280184: code=100 subcode=3260011 message='Invalid parameter' user_msg=\"You can't edit your pixel, conversion event, custom conversion or optimization for an ad set after the ad set is published. To run an ad set with your desired changes, create a new ad set.\"",
  "code": 100,
  "subcode": 3260011
}