Method not supported. This typically occurs when the URL you're calling responds to GET requests, but not PUT or DELETE.
The sample indicates the POST method isn't supported.
{
"code": "METHOD_NOT_ALLOWED",
"incidentId": "865ed61f-6f9a-40a2-b11d-c8dc4292dd33",
"title": "Request method 'POST' is not supported",
"type": "/ota-api/error-types/METHOD_NOT_ALLOWED"
}