How To Fix QE439 - The maximium value is smaller than the mean value

SAP Error Message - Details

• Message type: E = Error

• Message class: QE - RM-QSS Fehlertexte zur Ergebniserfassung

• Message number: 439

• Message text: The maximium value is smaller than the mean value

What causes this issue?

The value you entered for the maximum of valid values is
greater than the mean value. This is not possible.

System Response

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

How to fix this error?

Check and, if necessary, correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QE439 - The maximium value is smaller than the mean value ?

  The SAP error message QE439, which states "The maximum value is smaller than the mean value," typically occurs in the context of quality management or statistical analysis within SAP systems. This error indicates a logical inconsistency in the data being processed, particularly in relation to statistical calculations.
  Cause:
  
  Data Entry Errors: The most common cause is incorrect data entry where the maximum value recorded is less than the mean value. This can happen if the values are not entered correctly or if there are discrepancies in the data.
  Calculation Errors: If the system is calculating the mean and maximum values based on a set of data, there may be an error in the calculation logic or the data set being used.
  Data Integrity Issues: There may be issues with the integrity of the data, such as missing values or incorrect data types that lead to erroneous calculations.
  
  Solution:
  
  Review Data Entries: Check the data entries for the relevant quality inspection lot or data set. Ensure that the maximum value is indeed greater than or equal to the mean value.
  Correct Data: If you find any discrepancies, correct the data entries. Make sure that all values are accurate and reflect the actual measurements.
  Recalculate Statistics: After correcting the data, recalculate the mean and maximum values to ensure they are consistent.
  Check Configuration: If the error persists, check the configuration settings in the quality management module to ensure that they are set up correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the version of SAP you are using, as there may be version-specific considerations.
  
  Related Information:
  
  Quality Management Module: This error is often encountered in the Quality Management (QM) module of SAP, which deals with quality inspections and control.
  Statistical Process Control (SPC): Understanding the principles of SPC can help in interpreting and resolving issues related to statistical calculations in SAP.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error or provide additional troubleshooting steps.
  User Forums: Engaging with SAP user forums or communities can provide insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.