Code 12021 returned#
Error Message:
Method not allowed. Method not allowed
Error Source:
REST API common errors
Error Description:
The HTTP resource does not support this method. Check the HTTP method specified to send the request.
See the API documentation for the request. See the method specified for the required request (POST, GET, PATCH, etc.). E.g. POST /6/handlers.
The link lead to the latest documentation version. Make sure that you are reading the documentation for your current LUNA PLATFORM version.