How To Fix SDDL_PARSER_MSG354 - Temporal hierarchies cannot be combined with span tree hierarchies

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 354

• Message text: Temporal hierarchies cannot be combined with span tree hierarchies

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG354 - Temporal hierarchies cannot be combined with span tree hierarchies ?

  The SAP error message SDDL_PARSER_MSG354 indicates that there is an issue with the combination of temporal hierarchies and span tree hierarchies in your data model or configuration. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with complex data structures that involve hierarchies.
  Cause:
  
  Hierarchy Type Conflict: The error occurs because temporal hierarchies (which are used to represent time-based data) cannot be combined with span tree hierarchies (which are used to represent relationships in a tree structure). This is a fundamental limitation in the way these hierarchies are designed to function.
  Data Model Configuration: The configuration of your data model may have incorrectly defined relationships or hierarchies that attempt to mix these two types, leading to the error.
  
  Solution:
  
  Review Hierarchy Definitions: Check the definitions of your hierarchies in the data model. Ensure that you are not trying to combine temporal hierarchies with span tree hierarchies. You may need to separate them or redesign your data model to avoid this conflict.
  Adjust Data Model: If you need both types of hierarchies, consider creating separate data models or structures for each hierarchy type. This may involve creating different InfoObjects or data sources for temporal and span tree hierarchies.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly configure hierarchies in your specific version of SAP BW or HANA. This can provide insights into best practices and limitations.
  Testing: After making changes, test the data model to ensure that the error is resolved and that the hierarchies function as intended.
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check for any relevant SAP Notes or KBA (Knowledge Base Articles) that address this specific error or provide additional context on hierarchy configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP BW or HANA hierarchy management to better understand how to work with different types of hierarchies effectively.
  
  By following these steps, you should be able to resolve the error and ensure that your data model is correctly configured.