To call this endpoint, the API Key need to have the
Place and Manage Orderspermission enabled (via OSL website).
|ORDER_NOT_FOUND||The system is not able to find the requested order|
|CANCEL_REQUEST_SUBMITTED||Cancel request submitted|
|ERROR_ORDER_STATUS_SET_NO_CANCEL_CANCELLED||The order cannot be cancelled as order is already cancelled|
|ERROR_ORDER_STATUS_SET_NO_CANCEL_AMENDED||The order cannot be cancelled as order ID does not exist after it has been amended|
|ERROR_ORDER_STATUS_SET_NO_CANCEL_MATCHED||The order cannot be cancelled as it is already fully filled|
|SYSTEM_ERROR||The state of the order is uncertain|