'No data found in response' in Clickhouse-datasource's trace panel


Hi, why there is nothing graph or style unless i select ‘Table view’?
Here is my sql

SELECT Timestamp, TraceId, SpanId, ParentSpanId, SpanName, SpanKind, ServiceName, Duration, StatusCode, StatusMessage, toString(SpanAttributes), toString(ResourceAttributes), toString(Events.Name), toString(Links.TraceId) FROM otel.otel_traces_distributed WHERE ServiceName = 'unknown_service:n9e' AND Timestamp >= NOW() - INTERVAL 100 HOUR Limit 100;

finished with this guide ClickHouse plugin for Grafana | Grafana Labs

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