3806904 - Sankey chart returns 'Failed to fetch data' error in SAP Analytics Cloud

• Sankey chart in SAP Analytics Cloud returns the following message when accessed in View Mode: Failed to fetch data.
• When viewing the same story in Edit mode, the Sankey chart returns data. The issue only occurs when viewing the story in Edit or Presentation mode.

• SAP Analytics Cloud 2026.15.6
• SAP Datasphere

1. Log in to Datasphere 
2. Log in to SAP Analytics Cloud 
3. Open a story that has a Sankey chart in View mode
4. Observe that the Sankey chart returns the message 'Failed to Fetch Data'
   (Sometimes after 2 or 5 minutes, the chart loads despite the message previously displayed.)
5. Open the same story in Edit mode and observe the loading of the same chart
6. Switch back to the same story in View mode and change any filter - observe that the chart loads data. Go back to the previous value of the same filter, and the same chart loads data.

• KBA 2569847- Where can you find SAC user assistance (help) to use, configure, and operate it more effectively?
• KBA 2487011 - What information do I need to provide when opening an incident for SAP Analytics Cloud?
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Datasphere, DSP, SAC, SAP Analytics Cloud, Story, Sankey, View mode, Chart, loads, fails, no data, Edit, "Failed to Fetch Data". , KBA , LOD-ANA-DES-CHART , SAP Analytics Cloud core charting , Problem