How To Fix QE559 - An initial value is not possible for the mean value (& valid values)

QE559 - Overview

• Message type: E = Error

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

• Message number: 559

• Message text: An initial value is not possible for the mean value (& valid values)

What causes this issue?

The mean value cannot be reset back to the initial value because the
number of recorded and valid values is not zero.

System Response

When you select ENTER the system assigns the value of 0 to the mean
value.

How to fix this error?

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.

QE559 - Details

• The SAP error message QE559, which states "An initial value is not possible for the mean value (& valid values)," typically occurs in the context of Quality Management (QM) when dealing with inspection characteristics and mean value calculations. This error indicates that the system is unable to calculate a mean value for a characteristic because the initial value provided is not valid or appropriate.
  
  Cause:
  
  Invalid Initial Value: The initial value set for the mean calculation may not be within the acceptable range or format defined for that characteristic.
  Missing Data: There may be insufficient data points to calculate a mean value, such as missing inspection results.
  
  Configuration Issues: The configuration of the inspection characteristic may not allow for mean value calculations, or the characteristic may not be set up correctly.
  Data Type Mismatch: The data type of the initial value may not match the expected data type for the characteristic.
  
  
  Solution:
  
  Check Initial Value: Verify the