diff --git a/panoramix/models.py b/panoramix/models.py
index 165e70e626e28..24e94518ac3cb 100644
--- a/panoramix/models.py
+++ b/panoramix/models.py
@@ -916,6 +916,8 @@ def query(
         client.groupby(**qry)
         query_str += json.dumps(client.query_dict, indent=2)
         df = client.export_pandas()
+        if not df:
+            raise Exception("No data")
 
         if not is_timeseries and 'timestamp' in df.columns:
             del df['timestamp']