How To Fix RSAWBN_SER012 - Object has no children but expander is set

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAWBN_SER - DWB Services

• Message number: 012

• Message text: Object has no children but expander is set

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAWBN_SER012 - Object has no children but expander is set ?

  The SAP error message RSAWBN_SER012: Object has no children but expander is set typically occurs in the context of SAP BW (Business Warehouse) when working with queries or data sources in the Analysis Office or BEx Analyzer. This error indicates that the system is trying to expand a node in a hierarchy or structure that does not have any child elements, which can happen for various reasons.
  Cause:
  
  Empty Hierarchy: The object you are trying to expand does not have any child nodes. This can happen if the data source or hierarchy is not populated with data.
  Incorrect Query Design: The query might be designed in such a way that it expects child nodes for a particular dimension or characteristic, but the underlying data does not support this.
  Data Issues: There may be issues with the data loading process, such as missing data or incorrect data transformations that lead to empty nodes.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view certain data, leading to the appearance of empty nodes.
  
  Solution:
  
  Check Data Source: Verify that the data source you are using is populated correctly. Check if the relevant InfoObjects or InfoProviders have data loaded.
  Review Query Design: Look at the query design in the BEx Query Designer. Ensure that the characteristics and hierarchies are set up correctly and that they are expected to have children.
  Data Load Monitoring: Check the data load process in the Data Warehousing Workbench (transaction RSA1) to ensure that data is being loaded correctly without errors.
  Hierarchy Configuration: If you are using hierarchies, ensure that they are configured correctly and that the hierarchy levels are populated with data.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data. You can check this in the user roles and authorizations.
  Debugging: If the issue persists, consider debugging the query or using transaction RSRT to analyze the query execution and see where it might be failing.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for BW and BEx Analyzer for best practices in query design and data modeling.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.