How To Fix QP371 - Lower tolerance limit is not on class limit

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 371

• Message text: Lower tolerance limit is not on class limit

What causes this issue?

The lower tolerance limit does not match a class limit.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the entries for the class.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QP371 - Lower tolerance limit is not on class limit ?

  The SAP error message QP371, which states "Lower tolerance limit is not on class limit," typically occurs in the context of quality management (QM) when dealing with inspection characteristics in a quality inspection plan. This error indicates that the lower tolerance limit defined for a characteristic does not align with the defined class limits for that characteristic.
  Cause:
  
  Mismatch in Tolerance Limits: The lower tolerance limit set for the inspection characteristic is not within the range of the defined class limits. This can happen if the class limits are incorrectly defined or if the tolerance limits are set incorrectly.
  Incorrect Class Definition: The class limits may not be properly defined in the classification system, leading to inconsistencies with the tolerance limits.
  Data Entry Errors: Manual entry errors when defining the inspection characteristics or class limits can lead to this issue.
  
  Solution:
  
  
  Check Inspection Characteristic Settings:
  
  Go to the inspection characteristic settings in the quality management module.
  Verify the lower tolerance limit and ensure it is within the defined class limits.
  
  
  
  Review Class Limits:
  
  Check the class limits associated with the inspection characteristic.
  Ensure that the class limits are correctly defined and that the lower tolerance limit falls within this range.
  
  
  
  Adjust Tolerance Limits:
  
  If the lower tolerance limit is incorrect, adjust it to ensure it aligns with the class limits.
  If the class limits are incorrect, modify them to accommodate the lower tolerance limit.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for guidance on defining inspection characteristics and class limits.
  
  
  
  Testing:
  
  After making adjustments, test the changes by creating or modifying an inspection plan to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Quality Management (QM) Module: This error is specific to the QM module in SAP, which deals with quality planning, inspection, and control.
  Inspection Plans: Understanding how to create and manage inspection plans is crucial for resolving this error.
  Tolerance Limits: Familiarity with how tolerance limits work in the context of quality management will help in troubleshooting similar issues in the future.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error or provide additional guidance.
  
  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.