How To Fix QP344 - The tolerance range is smaller than the class width entered

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 344

• Message text: The tolerance range is smaller than the class width entered

What causes this issue?

The class range is greater than the tolerance range.

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?

Confirm the entry or change the class range.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QP344 - The tolerance range is smaller than the class width entered ?

  The SAP error message QP344, "The tolerance range is smaller than the class width entered," typically occurs in the context of quality management (QM) when defining inspection characteristics for a material or product. This error indicates that the tolerance range you have specified for a characteristic is narrower than the class width that has been defined for that characteristic.
  Cause:
  
  Tolerance Range Definition: The tolerance range is the acceptable limits for a measurement, while the class width is the range of values that can be grouped together for evaluation. If the tolerance range is smaller than the class width, it means that the defined acceptable limits do not allow for any valid classifications based on the class width.
  Incorrect Configuration: This can happen due to incorrect configuration of inspection characteristics or when entering values that do not align with the defined class widths.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Inspection Characteristics:
  
  Go to the inspection characteristic configuration in SAP (Transaction Code: QS21 or QS22).
  Check the tolerance range and class width settings for the specific characteristic that is causing the error.
  
  
  
  Adjust Tolerance Range:
  
  If the tolerance range is indeed smaller than the class width, you will need to either:
  
  Increase the tolerance range to be equal to or greater than the class width.
  Decrease the class width to be equal to or less than the tolerance range.
  
  
  
  
  
  Validate Changes:
  
  After making adjustments, save the changes and try to execute the process again to see if the error persists.
  
  
  
  Consult Documentation:
  
  If you are unsure about the appropriate values for tolerance and class width, refer to SAP documentation or consult with a quality management expert within your organization.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test to ensure that the inspection characteristic works as expected without triggering the error.
  
  
  
  Related Information:
  
  Inspection Characteristics: These are defined in the quality management module and are used to specify the criteria for quality inspections.
  Class Width: This is a parameter that defines the range of values for grouping measurements. It is important for statistical evaluations and quality control.
  Tolerance: This refers to the allowable deviation from a specified value, which is critical in quality management to ensure products meet required standards.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any specific patches or updates related to this error.