How To Fix RSDHA339 - InfoObject '&1' with high cardinality not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 339

• Message text: InfoObject '&1' with high cardinality not supported

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSDHA339 - InfoObject '&1' with high cardinality not supported ?

  The SAP error message RSDHA339 indicates that an InfoObject has high cardinality, which is not supported in certain contexts, particularly when working with data modeling in SAP BW (Business Warehouse) or SAP HANA. High cardinality refers to a situation where an InfoObject has a very large number of unique values, which can lead to performance issues or complications in data processing.
  Cause:
  
  High Cardinality InfoObject: The InfoObject in question has too many unique values (e.g., a customer ID or transaction number), which can lead to inefficiencies in data processing and storage.
  Modeling Restrictions: Certain data models or structures in SAP BW or HANA may not support high cardinality InfoObjects due to performance considerations.
  Data Source Limitations: The data source or the way the data is being extracted may not be optimized for high cardinality InfoObjects.
  
  Solution:
  
  Review InfoObject Design: Check the design of the InfoObject. If it is not necessary for it to have high cardinality, consider redesigning it to reduce the number of unique values.
  Aggregation: If possible, aggregate the data to reduce the cardinality. For example, instead of using individual transaction IDs, consider using aggregated metrics (like total sales per customer).
  Use of Attributes: Instead of using high cardinality InfoObjects directly, consider using attributes or hierarchies that can help manage the data more effectively.
  Partitioning: If you are working with large datasets, consider partitioning the data to improve performance and manageability.
  Data Modeling Best Practices: Follow best practices for data modeling in SAP BW or HANA, which may include using appropriate data types, structures, and relationships to minimize high cardinality issues.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP BW or HANA you are using for any additional guidelines or recommendations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context and solutions.
  Performance Tuning: Consider performance tuning techniques for your SAP BW or HANA environment to better handle high cardinality scenarios.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared by other users.
  
  By addressing the high cardinality issue through these solutions, you should be able to resolve the RSDHA339 error and improve the performance and efficiency of your SAP data models.