How To Fix RSDD717 - ____Characteristic/attribute &3 has a fixed value, no compression

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 717

• Message text: ____Characteristic/attribute &3 has a fixed value, no compression

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD717 - ____Characteristic/attribute &3 has a fixed value, no compression ?

  The SAP error message RSDD717 indicates that a characteristic or attribute in a data model has a fixed value, which prevents the data from being compressed. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with InfoObjects, InfoProviders, or data models that involve characteristics with fixed values.
  Cause:
  
  Fixed Value Characteristics: The characteristic or attribute specified in the error message has been defined with a fixed value. This means that the value does not change and is constant for all records in the data model.
  Compression Limitations: Compression in SAP BW is designed to reduce the storage space by eliminating redundancy. However, if a characteristic has a fixed value, it cannot be compressed because there is no variability in the data to exploit for compression.
  Data Model Design: The design of the data model may not be optimal, leading to characteristics being defined in a way that they cannot be compressed.
  
  Solution:
  
  Review Characteristic Definition: Check the definition of the characteristic or attribute in the data model. If it is indeed meant to have a fixed value, consider whether it is necessary to include it in the model or if it can be redefined.
  Change Fixed Value Setting: If the characteristic does not need to be fixed, you can change its settings to allow for variability. This may involve modifying the data source or the way data is loaded into the InfoProvider.
  Data Model Optimization: Re-evaluate the data model design. If the fixed value characteristic is essential, consider whether it can be moved to a different layer of the model or if it can be represented differently to allow for compression.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling fixed value characteristics and compression in your version of SAP BW or HANA.
  
  Related Information:
  
  SAP BW Compression: Understand how data compression works in SAP BW and the implications of fixed values on performance and storage.
  Performance Considerations: Fixed value characteristics can impact query performance. Consider the trade-offs between storage savings from compression and the performance of queries that involve fixed values.
  SAP Notes and Community: Check SAP Notes for any known issues or patches related to this error message. The SAP Community forums can also be a valuable resource for troubleshooting and solutions shared by other users.
  
  By addressing the fixed value characteristic and optimizing the data model, you should be able to resolve the RSDD717 error and enable compression for your data.