How To Fix QP346 - Class range does not correspond to the tolerance range

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 346

• Message text: Class range does not correspond to the tolerance range

Self-Explanatory Message

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• What is the cause and solution for SAP error message QP346 - Class range does not correspond to the tolerance range ?

  The SAP error message QP346, which states "Class range does not correspond to the tolerance range," typically occurs in the context of quality management (QM) when dealing with inspection characteristics and their associated tolerances. This error indicates that there is a mismatch between the defined class range for an inspection characteristic and the tolerance range that has been set.
  Cause:
  
  Mismatch in Ranges: The class range defined for the inspection characteristic does not align with the tolerance range. For example, if the tolerance range is set from 10 to 20, but the class range is set from 15 to 25, this will trigger the error.
  Incorrect Configuration: The configuration of the inspection characteristics or the quality control plan may not have been set up correctly, leading to inconsistencies.
  Data Entry Errors: Manual entry errors during the setup of inspection characteristics or tolerance ranges can lead to this issue.
  
  Solution:
  
  Review Inspection Characteristics: Check the inspection characteristics in the quality control plan to ensure that the class ranges and tolerance ranges are correctly defined and aligned.
  Adjust Tolerance Ranges: If the class range is correct, consider adjusting the tolerance ranges to ensure they correspond to the defined class ranges.
  Modify Class Ranges: If the tolerance ranges are correct, you may need to modify the class ranges to ensure they fit within the defined tolerances.
  Consult Documentation: Refer to SAP documentation or guidelines for setting up inspection characteristics and tolerances to ensure compliance with best practices.
  Testing: After making adjustments, perform a test to ensure that the error no longer occurs and that the quality management processes function as expected.
  
  Related Information:
  
  Quality Management Module: This error is specific to the Quality Management (QM) module in SAP, which deals with quality planning, inspection, and control.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as QP01 (Create Quality Plan), QP02 (Change Quality Plan), and QP03 (Display Quality Plan) to manage inspection characteristics.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address known issues.
  User Roles: Ensure that users have the appropriate roles and authorizations to make changes to quality plans and inspection characteristics.
  
  By following these steps, you should be able to resolve the QP346 error and ensure that your quality management processes are functioning correctly.