Twitter Url for location is invalid. Must be in the format http(s)://twitter.com/handle or http(s)://x.com/handle.

The Synup API returns SY10019 in the errors array when this happens.

What the response looks like

{
  "data": null,
  "errors": [
    {
      "message": "Twitter Url for location is invalid. Must be in the format http(s)://twitter.com/handle or http(s)://x.com/handle.",
      "context": {},
      "code": "SY10019"
    }
  ]
}

Where it comes from

Documented under Locations. The context field carries the offending value when one is relevant, and is empty otherwise.

See the full error code reference for every code the API can return.

Other Locations errors