How To Fix QS109 - You cannot maintain a tolerance key for a qualitative characteristic

SAP Error Message - Details

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 109

• Message text: You cannot maintain a tolerance key for a qualitative characteristic

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QS109 - You cannot maintain a tolerance key for a qualitative characteristic ?

  The SAP error message QS109, which states "You cannot maintain a tolerance key for a qualitative characteristic," typically occurs in the context of Quality Management (QM) within SAP. This error indicates that you are trying to assign a tolerance key to a qualitative characteristic, which is not allowed.
  Cause:
  
  Qualitative Characteristics: Qualitative characteristics are used to evaluate attributes that are not measured quantitatively (e.g., pass/fail, good/bad). Since these characteristics do not have a numerical value, they cannot have a tolerance range associated with them.
  Tolerance Keys: Tolerance keys are used for quantitative characteristics to define acceptable limits for measurements. Attempting to apply these to qualitative characteristics leads to this error.
  
  Solution:
  To resolve the QS109 error, you should follow these steps:
  
  
  Review Characteristic Type: Ensure that you are not trying to assign a tolerance key to a qualitative characteristic. If the characteristic is qualitative, you should not attempt to set a tolerance key.
  
  
  Modify Characteristic Settings: If you need to maintain a tolerance for a characteristic, consider changing it to a quantitative characteristic if applicable. This can be done in the characteristic definition settings.
  
  
  Check Configuration: If you are unsure about the characteristic type, check the configuration in the Quality Management module. You can do this by navigating to:
  
  SPRO ? Quality Management ? Quality Planning ? Characteristics ? Define Characteristics.
  Here, you can review and modify the characteristics as needed.
  
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed guidance on managing characteristics in QM.
  
  
  Related Information:
  
  Qualitative vs. Quantitative Characteristics: Understanding the difference between these two types of characteristics is crucial. Qualitative characteristics are typically used for attributes that cannot be measured numerically, while quantitative characteristics are used for measurable attributes.
  Tolerance Keys: Familiarize yourself with how tolerance keys work in SAP QM, including how to define and assign them to quantitative characteristics.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  
  By following these steps, you should be able to resolve the QS109 error and properly manage your quality characteristics in SAP.