How To Fix SIC_FM_ENGINE018 - Similarity score does not change

SAP Error Message - Details

• Message type: E = Error

• Message class: SIC_FM_ENGINE - Messages for Fine Match Engine

• Message number: 018

• Message text: Similarity score does not change

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SIC_FM_ENGINE018 - Similarity score does not change ?

  The SAP error message SIC_FM_ENGINE018, which states "Similarity score does not change," typically occurs in the context of the SAP system's similarity search functionality, often related to the SAP Business Warehouse (BW) or SAP HANA environments. This error indicates that the similarity score calculated for a particular operation or query has not changed, which can be problematic for processes that rely on dynamic scoring for decision-making or data retrieval.
  Cause:
  
  Data Consistency: The underlying data may not have changed, leading to the same similarity score being calculated repeatedly.
  Configuration Issues: There may be issues with the configuration of the similarity search parameters or algorithms.
  Threshold Settings: The thresholds set for determining similarity may be too strict, resulting in no variation in scores.
  Caching: The system might be using cached results, which can lead to the same score being returned if the cache is not refreshed.
  Algorithm Limitations: The algorithm used for calculating similarity may not be suitable for the data set or the specific use case.
  
  Solution:
  
  Data Update: Ensure that the data being analyzed has been updated or modified. If the data is static, consider refreshing it or using a different dataset.
  Review Configuration: Check the configuration settings for the similarity search. Ensure that the parameters are set correctly and that the algorithms are appropriate for the data.
  Adjust Thresholds: If applicable, consider adjusting the thresholds for similarity scoring to allow for more variation in results.
  Clear Cache: If caching is being used, clear the cache to ensure that fresh calculations are performed.
  Test with Different Data: Try running the similarity search with a different set of data to see if the issue persists.
  Consult Documentation: Review SAP documentation or notes related to the specific version of the software you are using for any known issues or patches.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases updates that address known issues.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered and resolved similar issues.
  SAP Support: If the problem persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and potentially resolve the issue related to the SIC_FM_ENGINE018 error message in your SAP environment.