How To Fix QP626 - Tolerance change not compatible with the target value

SAP Error Message - Details

• Message type: E = Error

• Message class: QP - Message IDs for function module group QPAA

• Message number: 626

• Message text: Tolerance change not compatible with the target value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QP626 - Tolerance change not compatible with the target value ?

  The SAP error message QP626, which states "Tolerance change not compatible with the target value," typically occurs in the context of quality management (QM) when there is an attempt to change the tolerance limits for a characteristic in a quality inspection plan (QIP) or inspection lot, and the new tolerance values are not compatible with the existing target values.
  Cause:
  
  Incompatible Tolerance Values: The new tolerance limits being set do not align with the target values defined for the characteristic. For example, if the target value is set at 100 and the new tolerance limits are set in such a way that they do not encompass the target value, this error will occur.
  Incorrect Configuration: There may be a misconfiguration in the quality management settings or the inspection plan that leads to this incompatibility.
  Data Entry Errors: Manual entry errors when updating the tolerance values or target values can lead to this issue.
  
  Solution:
  
  
  Review Tolerance and Target Values: Check the current target value and the tolerance limits defined for the characteristic. Ensure that the new tolerance values encompass the target value. For example, if the target is 100, the tolerance limits should be set in a way that they include this value (e.g., 90 to 110).
  
  
  Adjust Tolerance Limits: If the new tolerance limits are incorrect, adjust them to ensure they are compatible with the target value. This may involve increasing or decreasing the tolerance range.
  
  
  Check Inspection Plan Configuration: Review the configuration of the inspection plan to ensure that all settings are correct and that there are no conflicting values.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on setting tolerances and target values in the context of your specific version of SAP.
  
  
  Testing: After making adjustments, test the changes in a development or test environment before applying them to the production environment to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on tolerance settings.
  Quality Management Module: Familiarize yourself with the Quality Management module in SAP, particularly how inspection plans and characteristics are configured.
  User Roles and Permissions: Ensure that the user making the changes has the appropriate permissions to modify inspection plans and characteristics.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.