How To Fix RSRTS_CDS190 - Derivation for default node: Invalid element &1 for hierarchy node

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 190

• Message text: Derivation for default node: Invalid element &1 for hierarchy node

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS190 - Derivation for default node: Invalid element &1 for hierarchy node ?

  The SAP error message RSRTS_CDS190 typically occurs in the context of SAP BW (Business Warehouse) when working with Composite Providers or when using CDS (Core Data Services) views. This error indicates that there is an issue with the derivation of a default node in a hierarchy, specifically that an invalid element has been referenced.
  Cause:
  
  Invalid Hierarchy Node: The error suggests that the hierarchy node being referenced does not exist or is not valid in the context of the data model.
  Incorrect Configuration: There may be a misconfiguration in the hierarchy settings or the way the hierarchy is defined in the data model.
  Data Inconsistency: The underlying data may not be consistent with the expected structure of the hierarchy, leading to invalid references.
  Missing Elements: The element that is being referenced might not be included in the data source or might have been deleted or renamed.
  
  Solution:
  
  Check Hierarchy Configuration: Review the hierarchy configuration in the BW model. Ensure that all nodes and elements are correctly defined and that there are no missing or invalid references.
  Validate Data Source: Ensure that the data source being used for the Composite Provider or CDS view is correctly set up and contains all necessary elements.
  Rebuild Hierarchy: If the hierarchy has been modified, consider rebuilding it to ensure that all nodes are correctly linked and valid.
  Check for Updates: If you are using a newer version of SAP BW or SAP HANA, check for any updates or patches that might address known issues related to hierarchies.
  Debugging: Use transaction codes like RSRT (Query Monitor) or RSRTS (Query Designer) to debug the query and identify where the invalid element is being referenced.
  Consult Documentation: Refer to SAP documentation or community forums for specific guidance related to the version of SAP you are using.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message. You can search for the error code or related keywords in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Training and Documentation: Review training materials or documentation related to SAP BW and CDS views to ensure best practices are being followed in your data modeling.
  
  By following these steps, you should be able to identify the root cause of the RSRTS_CDS190 error and implement a solution to resolve it.