2801567 - "Unable to retrieve data from the datasource. Error: [Bad Gateway]" error appears in SAP Analytics Cloud

When opening a story based on HANA Live Connection, the following error appears in SAP Analytics Cloud (SAC):
"Unable to retrieve data from the datasource. Error: [Bad Gateway]"

• SAP Analytics Cloud
• Live Data Connection to SAP HANA

1. Logon to SAC.
2. Open a Story based on HANA Live Connection.
3. Notice that the chart does not retrieve any data and the error message appears. 

The issue is caused by a long-running query on the HANA database.

Set the SQL Execution Hints in the Calculation view according to the following SAP Note: 2509161 - Set SQL Execution Hints in Calculation View via HANA Studio Modeler.

• 2569847 - Where can you find SAC user assistance (help) to use, configure, and operate it more effectively?
• Have a question? Ask it here and let our amazing SAP community help! Or reply and share your knowledge!
• 2487011 - What information do I need to provide when opening an case for SAP Analytics Cloud?
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• SAP Analytics Cloud > Learning > Guided Playlists
• SAP Analytics Cloud > Learning > Guided Playlists > Getting Support
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