How To Fix CDS_UNIT_MESSAGE030 - Hierarchy testing of &1 is not possible.

SAP Error Message - Details

• Message type: E = Error

• Message class: CDS_UNIT_MESSAGE - Message Class

• Message number: 030

• Message text: Hierarchy testing of &1 is not possible.

Since a test double already created for &V2& as part of &V3& testing of
&V4&. Provide &V2& in the 'i_dependency_list' of &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CDS_UNIT_MESSAGE030 - Hierarchy testing of &1 is not possible. ?

  The SAP error message CDS_UNIT_MESSAGE030 indicates that there is an issue with hierarchy testing for a specific characteristic or dimension in a Core Data Services (CDS) view or query. This error typically arises when the system is unable to perform the hierarchy testing due to various reasons, such as missing hierarchy definitions, incorrect data, or configuration issues.
  Causes:
  
  Missing Hierarchy Definition: The hierarchy for the specified characteristic may not be defined in the system.
  Incorrect Data: The data being queried may not conform to the expected structure or may be incomplete.
  Configuration Issues: There may be issues with the configuration of the hierarchy in the underlying data model.
  Authorization Issues: The user may not have the necessary authorizations to access the hierarchy data.
  Technical Issues: There could be bugs or technical issues in the CDS view or the underlying database.
  
  Solutions:
  
  
  Check Hierarchy Definition:
  
  Ensure that the hierarchy for the characteristic is defined correctly in the system. You can do this by navigating to the relevant hierarchy maintenance transaction (e.g., RSH1 for InfoObjects).
  
  
  
  Validate Data:
  
  Check the data in the underlying tables to ensure that it is complete and correctly structured. Look for any missing or incorrect entries that could affect hierarchy testing.
  
  
  
  Review Configuration:
  
  Verify the configuration settings for the hierarchy in the relevant data model. Ensure that all necessary settings are correctly configured.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the query has the necessary authorizations to access the hierarchy data. You may need to consult with your security team to verify this.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the CDS view or the underlying logic to identify any technical issues. You may need to involve a developer or SAP support for this.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error message. SAP frequently releases updates and patches that may resolve known issues.
  
  
  
  Consult Documentation:
  
  Review the official SAP documentation for Core Data Services and hierarchy handling to ensure that you are following best practices.
  
  
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) is a framework for defining and consuming semantically rich data models in SAP.
  Hierarchies in SAP: Hierarchies are used to represent data in a structured manner, allowing for better analysis and reporting.
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the CDS_UNIT_MESSAGE030 error in your SAP system.