How To Fix RSODP_ABAP_CDS120 - Cannot interpret hierarchy annotation of CDS view &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ABAP_CDS -

• Message number: 120

• Message text: Cannot interpret hierarchy annotation of CDS view &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ABAP_CDS120 - Cannot interpret hierarchy annotation of CDS view &1 ?

  The SAP error message RSODP_ABAP_CDS120 indicates that there is an issue with interpreting the hierarchy annotation of a Core Data Services (CDS) view. This error typically arises when the CDS view is expected to have a hierarchy defined, but the system cannot interpret it correctly due to various reasons.
  Causes:
  
  Missing or Incorrect Annotations: The CDS view may be missing the necessary hierarchy annotations, or the annotations may be incorrectly defined.
  Incompatible Data Types: The data types used in the hierarchy definition may not be compatible with what is expected by the CDS framework.
  Hierarchy Structure Issues: The structure of the hierarchy may not be properly defined, leading to confusion in how the hierarchy should be interpreted.
  Version Compatibility: The CDS view may be using features or annotations that are not supported in the current version of the SAP system you are using.
  Transport Issues: If the CDS view was transported from another system, there may be inconsistencies or missing dependencies.
  
  Solutions:
  
  Check Annotations: Review the CDS view definition to ensure that all necessary hierarchy annotations (like @Hierarchy and @HierarchyNode) are correctly defined.
  Validate Data Types: Ensure that the data types used in the hierarchy annotations are compatible and correctly defined.
  Review Hierarchy Structure: Make sure that the hierarchy structure is properly defined and that all nodes are correctly linked.
  Update System: If you are using an older version of SAP, consider updating to a version that supports the required features and annotations.
  Recreate the CDS View: If the issue persists, consider recreating the CDS view from scratch to ensure that all definitions are correct.
  Check Transport Logs: If the CDS view was transported, check the transport logs for any errors or warnings that might indicate missing dependencies.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to CDS views and hierarchy annotations for any known issues or patches.
  Documentation: Refer to the official SAP documentation on CDS views and hierarchy annotations for detailed guidelines on how to define them correctly.
  Community Forums: Engage with the SAP community forums or SAP support for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSODP_ABAP_CDS120 error message.