How To Fix QS120 - Tolerance change exceeds the upper plausibility limit

SAP Error Message - Details

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 120

• Message text: Tolerance change exceeds the upper plausibility limit

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QS120 - Tolerance change exceeds the upper plausibility limit ?

  The SAP error message QS120, which states "Tolerance change exceeds the upper plausibility limit," typically occurs in the context of quality management (QM) when dealing with inspection lots and tolerance limits for quality characteristics. This error indicates that the change in tolerance for a quality characteristic exceeds the predefined limits set in the system.
  Cause:
  
  Tolerance Settings: The tolerance limits for a specific quality characteristic may be set too tightly, and the change you are trying to make exceeds these limits.
  Configuration Issues: There may be a misconfiguration in the quality management settings or in the material master data related to quality characteristics.
  Data Entry Errors: The values being entered for tolerances may be incorrect or not aligned with the expected range.
  
  Solution:
  
  Review Tolerance Limits: Check the tolerance limits set for the quality characteristic in question. You can do this by navigating to the relevant material master or inspection plan and reviewing the settings.
  Adjust Tolerance Values: If the tolerance limits are too restrictive, consider adjusting them to allow for the necessary changes. This can be done in the inspection plan or material master.
  Check Configuration: Ensure that the configuration for quality management is set up correctly. This may involve checking the settings in the Quality Management module (transaction codes like OQ01 for inspection characteristics).
  Consult Documentation: Refer to SAP documentation or help files for guidance on how to properly set up and manage tolerances in your specific version of SAP.
  User Authorization: Ensure that you have the necessary authorizations to make changes to the tolerance settings. If not, you may need to contact your SAP administrator.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  QA01: Create Inspection Lot
  QA02: Change Inspection Lot
  QAC3: Display Inspection Characteristic
  
  
  Quality Management Configuration: Understanding the configuration of quality management in SAP can help prevent such issues. This includes knowing how to set up inspection plans, quality characteristics, and tolerance limits.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address specific issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Quality Management.