How To Fix RSDME406 - The value of min lift should be non negative

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 406

• Message text: The value of min lift should be non negative

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME406 - The value of min lift should be non negative ?

  The SAP error message RSDME406, which states "The value of min lift should be non-negative," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data modeling, particularly in the context of creating or modifying queries, InfoObjects, or data models that involve certain statistical calculations or algorithms.
  Cause:
  The error is triggered when a parameter called "min lift" is set to a negative value. The "min lift" parameter is often used in association with algorithms that analyze data patterns, such as association rules or market basket analysis. A negative value for "min lift" does not make sense in this context, as lift is a measure of how much more likely two items are to be purchased together compared to being purchased independently.
  Solution:
  To resolve this error, you should:
  
  
  Check the Configuration: Go to the relevant data model or query where the error is occurring. Look for the settings related to "min lift" and ensure that the value is set to zero or a positive number.
  
  
  Modify the Value: If you find that "min lift" is set to a negative value, change it to a non-negative value (0 or greater). This can usually be done in the properties or settings of the data model or query.
  
  
  Validate Input: Ensure that any input fields or parameters that might be influencing the "min lift" value are correctly validated to prevent negative values from being entered.
  
  
  Test the Changes: After making the necessary adjustments, re-run the query or data model to ensure that the error no longer appears.
  
  
  Related Information:
  
  
  Lift in Data Mining: Lift is a measure used in data mining to evaluate the effectiveness of a rule or model. It compares the observed frequency of an event to the expected frequency if the events were independent.
  
  
  SAP BW and HANA Documentation: For more detailed information on how to configure and troubleshoot data models, refer to the official SAP documentation or help resources specific to your version of SAP BW or HANA.
  
  
  Community Forums: If the issue persists, consider checking SAP community forums or support channels where other users may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the RSDME406 error and ensure that your data models and queries function correctly.