SAP Knowledge Base Article - Public

2770833 - "Unable to retrieve data from the datasource" error appears in charts in SAP Analytics Cloud


When opening a Story based on HANA Live Data Connection, the following error appears in the chart in SAP Analytics Cloud (SAC):
"Unable to retrieve data from the datasource. Error:[Caught exception : exception 42028: Invalid Object caught : Object of type N3mds3mdq4cube4CubE is invalid.]


  • SAP Analytics Cloud 2019.4.5
  • Live Data Connection to SAP HANA

Reproducing the Issue

  1. Logon to SAC.
  2. Open a Story which is based on HANA Live Data Connection. 
  3. Notice that the charts show the above mentioned error message.


The underlying measure has been defined as a String measure with SUM aggregation type. The SUM aggregation type is not valid for a String measure.


  1. Either switching the aggregation type to MIN or MAX
  2. Removing the measure from the model resolves the problem

See Also

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SAP Analytics Cloud 1.0