How To Fix RY015 - Error during determination of scaling factor from confidence level

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 015

• Message text: Error during determination of scaling factor from confidence level

What causes this issue?

The system terminated the scaling factor calculation because of a value
error.

System Response

Processing is terminated.

How to fix this error?

This error occurs if you use an invalid confidence level. The system
terminates the process because, if it did not, all the subsequent
calculations would be based on an incorrect scaling factor.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY015 - Error during determination of scaling factor from confidence level ?

  The SAP error message RY015, which states "Error during determination of scaling factor from confidence level," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) module, particularly when dealing with demand planning or forecasting.
  Cause:
  The error usually arises due to issues related to the configuration of the forecasting model or the data being processed. Common causes include:
  
  Incorrect Configuration: The forecasting model may not be set up correctly, particularly the parameters related to confidence levels and scaling factors.
  Missing or Inconsistent Data: If the data used for forecasting is incomplete, inconsistent, or contains outliers, it can lead to errors in calculating the scaling factor.
  Statistical Model Issues: The statistical model being used may not be appropriate for the data set, leading to difficulties in determining the scaling factor.
  Version or Compatibility Issues: Sometimes, the error can be related to specific versions of SAP or compatibility issues with other modules.
  
  Solution:
  To resolve the RY015 error, you can take the following steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the forecasting model. Ensure that the confidence levels and scaling factors are set correctly.
  Verify that the statistical model being used is appropriate for the data.
  
  
  
  Data Validation:
  
  Check the data being used for forecasting. Ensure that it is complete, consistent, and free of outliers.
  Look for any missing values or anomalies in the historical data that could affect the calculations.
  
  
  
  Adjust Forecasting Parameters:
  
  If you are using a specific forecasting method, consider adjusting the parameters or switching to a different method that may be more suitable for your data.
  
  
  
  Review Logs and Documentation:
  
  Check the SAP application logs for more detailed error messages that can provide additional context.
  Consult SAP documentation or support resources for guidance on the specific forecasting model you are using.
  
  
  
  Testing:
  
  After making changes, run a test forecast to see if the error persists. This can help confirm whether the adjustments made have resolved the issue.
  
  
  
  Consult SAP Support:
  
  If the issue continues, consider reaching out to SAP support for assistance. They may have additional insights or patches that can resolve the error.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates to the forecasting module.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: Ensure that users involved in forecasting are adequately trained on the tools and processes to minimize configuration errors.
  
  By following these steps, you should be able to identify and resolve the cause of the RY015 error in SAP.