2984530 - Error "Variables need Input" when consuming a BW query in SAP Analytics Cloud (SAC)

When using a BW query in SAP Analytics Cloud that has mandatory variables you get the error "Variables need Input".  However, no prompt screen is given to enter a value for the variables.

• SAP Analytics Cloud (Enterprise) 2020.21

SAP Cloud for Planning, sc4p, c4p, cforp, cloudforplanning, Cloud for Analytics, Cloud4Analytics, CloudforAnalytics, Cloud 4 Planning, BOC, SAPBusinessObjectsCloud, BusinessObjectsCloud, BOBJcloud, BOCloud., SAC, SAP AC, Cloud-Analytics, CloudAnalytics, SAPCloudAnalytics,Error, Issue, System, Data, User, Unable, Access, Connection, Sac, Connector, Live, Acquisition, Up, Set, setup, Model, BW, Connect, Story, Tenant, Import, Failed, Using, Working, SAML, SSO, sapanalyticscloud, sap analytical cloud, sap analytical cloud, SAC, sap analyst cloud, connected, failure, stopped , KBA , setting version info not possible for li , LOD-ANA-DES , Story Design & Visualizations , Problem