How To Fix RSTRAN_DB026 - InfoObject '&1' with high cardinality is not supported

RSTRAN_DB026 - Overview

• Message type: E = Error

• Message class: RSTRAN_DB - message for RSTRAN_DB

• Message number: 026

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

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN_DB026 - InfoObject '&1' with high cardinality is not supported ?

  The SAP error message RSTRAN_DB026 indicates that an InfoObject has high cardinality, which means it has a large number of unique values. This can lead to performance issues or limitations in certain operations within SAP BW (Business Warehouse) or SAP HANA environments.
  
  Cause:
  The error typically arises when:
  
  An InfoObject is defined with a high cardinality (e.g., a characteristic that can take on many different values).
  The system is trying to perform a transformation or data load operation that does not support high cardinality InfoObjects.
  The InfoObject is being used in a context (like a data source or transformation) that cannot handle the volume of unique values efficiently.
  
  
  Solution:
  To resolve the RSTRAN_DB026 error, consider the following approaches:
  
  
  Review the InfoObject Definition:
  
  Check the InfoObject's properties and ensure that it is necessary to have such high cardinality. If possible, consider redesigning the InfoObject to reduce its cardinality.
  
  
  
  Use Aggregates:
  
  If the InfoObject is used in reporting, consider creating aggregates that summarize