How To Fix RSODP_ABAP_CDS004 - Analytics supports only Parent Child Hierarchy.CDS view &1 doesn't comply

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ABAP_CDS -

• Message number: 004

• Message text: Analytics supports only Parent Child Hierarchy.CDS view &1 doesn't comply

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ABAP_CDS004 - Analytics supports only Parent Child Hierarchy.CDS view &1 doesn't comply ?

  The SAP error message RSODP_ABAP_CDS004 indicates that the CDS (Core Data Services) view you are trying to use does not comply with the requirements for analytics that support only Parent-Child Hierarchies. This error typically arises when the structure of the CDS view does not meet the expectations for hierarchical data representation.
  Cause:
  
  Hierarchy Structure: The CDS view is expected to represent a Parent-Child Hierarchy, but it may not be structured correctly. This means that the view might not have the necessary fields to define parent-child relationships.
  Missing Fields: The required fields for defining the hierarchy, such as ID, PARENT_ID, or similar, may be missing or incorrectly defined in the CDS view.
  Data Model: The underlying data model may not support the hierarchical structure needed for the analytics to function correctly.
  
  Solution:
  
  
  Check CDS View Definition: Review the definition of the CDS view to ensure it includes the necessary fields for a Parent-Child Hierarchy. You should have at least:
  
  A unique identifier for each node (e.g., ID).
  A reference to the parent node (e.g., PARENT_ID).
  
  
  
  Modify the CDS View: If the required fields are missing, modify the CDS view to include them. Ensure that the relationships are correctly defined and that the data types are appropriate.
  
  
  Use Hierarchical Annotations: If applicable, use the appropriate annotations in the CDS view to define the hierarchy. For example, you can use the @Hierarchy annotation to specify that the view represents a hierarchy.
  
  
  Test the View: After making changes, test the CDS view to ensure it returns the expected results and complies with the requirements for analytics.
  
  
  Consult Documentation: Refer to the SAP documentation for guidelines on creating CDS views that support hierarchical data. This can provide insights into best practices and required structures.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on creating compliant CDS views.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  Training and Resources: Consider SAP training resources or courses that focus on CDS views and analytics to deepen your understanding of the topic.
  
  By ensuring that your CDS view is correctly structured to represent a Parent-Child Hierarchy, you should be able to resolve the RSODP_ABAP_CDS004 error and successfully use the view in your analytics.