How To Fix RSRTS_CDS105 - Hierarchy binding entry &1: Unsupported data type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 105

• Message text: Hierarchy binding entry &1: Unsupported data type &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS105 - Hierarchy binding entry &1: Unsupported data type &2 ?

  The SAP error message RSRTS_CDS105 typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with hierarchies in Composite Data Sources (CDS) views. This error indicates that there is an issue with the hierarchy binding entry, specifically that the data type being used is unsupported.
  Cause:
  The error can be caused by several factors, including:
  
  
  Unsupported Data Type: The hierarchy binding entry is using a data type that is not supported by the system. This can happen if the hierarchy is defined with a data type that does not match the expected types in the CDS view.
  
  
  Incorrect Hierarchy Definition: The hierarchy might not be defined correctly in the underlying data model, leading to mismatches in expected data types.
  
  
  Incompatibility with CDS Views: The hierarchy may not be compatible with the specific CDS view or the way it is being used in the query.
  
  
  Changes in Data Model: If there have been recent changes to the data model or the hierarchy structure, it may lead to inconsistencies that trigger this error.
  
  
  Solution:
  To resolve the RSRTS_CDS105 error, you can take the following steps:
  
  
  Check Data Types: Verify the data types of the hierarchy and ensure they are compatible with the expected types in the CDS view. You may need to adjust the data type in the hierarchy definition.
  
  
  Review Hierarchy Definition: Ensure that the hierarchy is defined correctly in the underlying data model. Check for any inconsistencies or errors in the hierarchy structure.
  
  
  Update CDS View: If the hierarchy has been modified, you may need to refresh or update the CDS view to ensure it reflects the latest changes.
  
  
  Test with Different Hierarchies: If possible, test the query with different hierarchies to determine if the issue is specific to a particular hierarchy.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP BW or HANA you are using. There may be known issues or patches available.
  
  
  Check for SAP Notes: Look for any relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  SAP BW/4HANA: If you are using SAP BW/4HANA, ensure that you are following best practices for hierarchy management and CDS views.
  Data Modeling: Familiarize yourself with the data modeling concepts in SAP BW and HANA, especially regarding hierarchies and their binding in CDS views.
  Performance Considerations: Be aware that complex hierarchies can impact query performance, so it's essential to optimize them where possible.
  
  By following these steps, you should be able to identify and resolve the cause of the RSRTS_CDS105 error in your SAP environment.