When call API to create a conversation with empty `body` and one file attached, the API response with an error, but on https://app.intercom.com/a/inbox/ the chat appear.
Here an example of CURL:
```bash
curl --location 'https://api.intercom.io/conversations' \
--header 'Authorization: Bearer <admin_token>' \
--header 'Content-Type: application/json' \
--header 'Intercom-Version: 2.10' \
--data '{
"from": {
"type": "user",
"id": "<contact_id>"
},
"subject": "Test Subject",
"attachment_urls": "
"https://picsum.photos/seed/picsum/512/512"
]
}'
```
The example of response:
```JSON
{
"type": "error.list",
"request_id": "0035jabkv5b82qmiu3cg",
"errors": q
{
"code": "server_error",
"message": "Server Error"
}
]
}
```