apache/superset · error · NotificationParamException

No recipients saved in the report

Error message

No recipients saved in the report

What it means

Error "No recipients saved in the report" thrown in apache/superset.

Source

Thrown at superset/commands/report/slack_upgrade.py:113

        """Resolve and atomically convert every Slack v1 recipient to Slack v2."""
        pending: list[tuple[ReportRecipients, list[str]]] = []
        try:
            for recipient in self._report_schedule.recipients:
                if recipient.type != ReportRecipientType.SLACK:
                    continue
                try:
                    slack_recipients = json.loads(recipient.recipient_config_json)
                except (TypeError, ValueError) as ex:
                    raise NotificationParamException(
                        "Invalid Slack recipient configuration"
                    ) from ex
                target = (
                    slack_recipients.get("target")
                    if isinstance(slack_recipients, dict)
                    else None
                )
                if not isinstance(target, str):
                    raise NotificationParamException(NO_SLACK_RECIPIENTS_MESSAGE)
                channels = parse_slack_recipient_targets(target.replace("#", ""))
                if not channels:
                    raise NotificationParamException(NO_SLACK_RECIPIENTS_MESSAGE)
                pending.append((recipient, channels))

            all_targets = list(
                dict.fromkeys(
                    channel for _, channels in pending for channel in channels
                )
            )
            channel_ids = resolve_slack_channel_ids(all_targets) if all_targets else {}
            resolved = [
                (
                    recipient,
                    json.dumps(
                        {
                            "target": ",".join(
                                channel_ids[channel] for channel in channels

View on GitHub (pinned to f4587218dd)

Solutions

1. Add at least one Slack recipient to the report schedule before upgrading or sending.

When it happens

Trigger: Slack upgrade runs against a report with no saved recipients.

Common situations: Upgrading Slack recipients for a report that has no recipient entries stored.

AI-assisted analysis of apache/superset@f4587218dd (2026-08-14). Data as JSON: /api/errors/af6cdfbcc416d1ec. Report an issue: GitHub.