2982560 - Value "yyyy-mm-dd" is not valid for Variable End Date or does not exist and/or Variables need input in SAP Analytics Cloud (SAC)

The following errors occur in SAP Analytics Cloud (SAC):

• Value "yyyy-mm-dd" is not valid for Variable End Date or does not exist
  and/or
• Variables need input 

When applying a story filter based on a Date Variable

• SAP Analytics Cloud (Enterprise) 2020.14.23
• Live Data Connection - SAP BW

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, variable does not exist, variables need input , KBA , LOD-ANA-DES , Model, Story Design & Visualizations , LOD-ANA-TAB , Table , Problem