3182577 - Error: "On premise connectivity failed with HTTP 503" showing intermittently for import job schedules in SAP Analytics Cloud (SAC) & SAP Digital Boardroom

The following behavior occurs in SAP Analytics Cloud (SAC):

• Import job schedules are failing randomly with the below error: "On-premise connectivity failed with HTTP 503 " 

• Sap Analytics Cloud (Entreprise)
• Import data connection

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