def METHOD_NAME(self, payload, exception, callback_url):
    """Report to callback URL recoverable state."""
    from renku.core.util import requests
    capture_exception(exception)
    if not callback_url:
        return
    payload["failure"] = {"type": "RECOVERABLE_FAILURE", "message": str(exception)}
    data = GraphExportCallbackError().load(payload)
    requests.post(callback_url, data=data)