How To Fix R7B089 - InfoObject &1 is used in SAP HAP(s) - 'High Cardinality' is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 089

• Message text: InfoObject &1 is used in SAP HAP(s) - 'High Cardinality' is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7B089 - InfoObject &1 is used in SAP HAP(s) - 'High Cardinality' is not allowed ?

  The SAP error message R7B089 indicates that an InfoObject is being used in a High Availability Process (HAP) but is not allowed due to its high cardinality. High cardinality refers to a situation where an InfoObject has a large number of unique values, which can lead to performance issues in certain contexts, especially in reporting and analysis.
  Cause:
  The primary cause of this error is that the InfoObject in question has a high cardinality, meaning it contains a large number of distinct values. In SAP BW (Business Warehouse) or SAP HANA, certain processes or configurations may not support high cardinality InfoObjects due to performance constraints or limitations in the underlying architecture.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Review the InfoObject: Check the characteristics of the InfoObject to understand its cardinality. If it is indeed high, consider whether it is necessary to use this InfoObject in the context of the HAP.
  
  
  Reduce Cardinality: If possible, try to reduce the cardinality of the InfoObject. This can be done by:
  
  Aggregating data: Combine values into broader categories.
  Filtering data: Limit the data set to only include relevant values.
  Creating a new InfoObject: If the high cardinality is essential, consider creating a new InfoObject that captures the necessary data but with lower cardinality.
  
  
  
  Change HAP Configuration: If the InfoObject is essential for the HAP, you may need to reconsider the design of the HAP. This could involve:
  
  Modifying the HAP to exclude the high cardinality InfoObject.
  Using alternative InfoObjects that have lower cardinality.
  
  
  
  Consult Documentation: Review SAP documentation or notes related to high cardinality and HAPs for any specific guidelines or recommendations.
  
  
  Seek Expert Help: If the issue persists, consider reaching out to SAP support or consulting with an SAP BW/HANA expert who can provide tailored advice based on your specific scenario.
  
  
  Related Information:
  
  High Cardinality: In data warehousing, high cardinality refers to attributes that have a large number of unique values. Examples include user IDs, transaction IDs, or timestamps.
  Performance Considerations: High cardinality can lead to performance degradation in reporting and analysis, as it may require more resources to process and analyze the data.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  By following these steps, you should be able to address the R7B089 error and ensure that your SAP HAP configuration is optimized for performance.