How To Fix QP501 - Sample unit &1 is not compatible with task list unit of measure &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 501

• Message text: Sample unit &1 is not compatible with task list unit of measure &

What causes this issue?

The sample unit of measure cannot be converted into the material unit.

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?

Change the sample unit of measure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QP501 - Sample unit &1 is not compatible with task list unit of measure & ?

  The SAP error message QP501 indicates that there is a mismatch between the unit of measure (UoM) of a sample unit and the unit of measure defined in the task list for a quality inspection. This typically occurs in the context of quality management (QM) processes, particularly when dealing with inspection lots and sample management.
  Cause:
  
  Unit of Measure Mismatch: The sample unit defined in the inspection lot does not match the unit of measure specified in the task list. For example, if the task list is set to use "pieces" but the sample unit is defined as "kilograms," this error will occur.
  Configuration Issues: There may be issues in the configuration of the quality management module, particularly in how units of measure are defined and linked to task lists and inspection plans.
  Data Entry Errors: Incorrect data entry when creating the inspection lot or task list can lead to this mismatch.
  
  Solution:
  
  Check Task List Configuration: Review the task list configuration to ensure that the unit of measure is correctly defined. You can do this by navigating to the relevant task list in the SAP system and checking the UoM settings.
  Verify Sample Unit: Check the sample unit defined in the inspection lot. Ensure that it matches the unit of measure in the task list. If necessary, adjust the sample unit to align with the task list.
  Adjust Inspection Lot: If the inspection lot has already been created, you may need to delete and recreate it with the correct sample unit that matches the task list.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on configuring units of measure in quality management.
  User Training: Ensure that users involved in creating inspection lots and task lists are trained on the importance of matching units of measure.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like QA32 (Display Inspection Lot) or QAL1 (Create Inspection Lot) to view and manage inspection lots.
  Quality Management Configuration: Review the configuration settings in the SAP Quality Management module, particularly those related to units of measure.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Unit of Measure Tables: Familiarize yourself with the relevant tables in SAP that store unit of measure data, such as T006 (Units of Measure) and T006A (Units of Measure: Language-dependent Texts).
  
  By following these steps, you should be able to resolve the QP501 error and ensure that your quality management processes run smoothly.