2612424 - Unable to retrieve the external data due to: Unable to retrieve the external data due to: Access to the requested URI was denied (HTTP 403) in SAP Analytics Cloud (SAC)

When you set up a connection in SAP Analytics Cloud, the following error occurs when you click OK:

Unable to retrieve the external data due to: Unable to retrieve the external data due to: Access to the requested URI was denied (HTTP 403) A_Access denied to system https:80. In case this was a valid request, ensure to expose the system correctly in your cloud connector.

• SAP Analytics Cloud 2018.3

EPM, SAP Cloud for Planning, sc4p, c4p, cforp, cloudforplanning, EPM-ODS, Cloud for Analytics, Cloud4Analytics, CloudforAnalytics, Cloud 4 Planning, BOC, SAPBusinessObjectsCloud, BusinessObjectsCloud, BOBJcloud, BOCloud., SAC, SAP AC, Cloud-Analytics, CloudAnalytics, SAPCloudAnalytics , KBA , v_access , connection between sac and bpc 11.0 , LOD-ANA , SAP Analytics Cloud (SAC) , LOD-ANA-BI , Business Intelligence Functionality, Analytic Models , LOD-ANA-PL , Planning , LOD-ANA-BR , SAC Boardroom , LOD-ANA-PR , SAC Predictive , Problem