How To Fix PK625 - Warehouse must not change unit of measure from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 625

• Message text: Warehouse must not change unit of measure from &1 to &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PK625 - Warehouse must not change unit of measure from &1 to &2 ?

  The SAP error message PK625 ("Warehouse must not change unit of measure from &1 to &2") typically occurs in the context of warehouse management and inventory handling. This error indicates that there is an attempt to change the unit of measure (UoM) for a material in a warehouse, which is not allowed under the current configuration or settings.
  Cause:
  
  Unit of Measure Configuration: The system is configured to prevent changes in the unit of measure for a specific material in a particular warehouse. This could be due to settings in the material master or warehouse management configuration.
  Inconsistent Data: There may be inconsistencies in the data related to the material, such as the unit of measure defined in the material master not matching the expected unit of measure in the warehouse.
  Transaction Type Restrictions: Certain transaction types may have restrictions on changing the unit of measure, especially if they are related to stock movements or inventory adjustments.
  
  Solution:
  
  
  Check Material Master Settings: Review the material master data for the affected material. Ensure that the unit of measure settings are correct and consistent with the warehouse settings.
  
  Go to the material master (transaction code MM03) and check the "Basic Data" and "Sales Org. Data" views for the unit of measure.
  
  
  
  Review Warehouse Management Settings: Check the warehouse management configuration to ensure that the unit of measure settings allow for the desired changes. This can be done in the customizing settings (transaction code SPRO).
  
  Navigate to: Logistics Execution > Warehouse Management > Master Data > Define Units of Measure.
  
  
  
  Use Correct Transaction: Ensure that you are using the correct transaction for the operation you are trying to perform. If the transaction does not allow for unit of measure changes, consider using a different approach.
  
  
  Consult Documentation: Review SAP documentation or help files related to warehouse management and unit of measure handling for additional insights and best practices.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed analysis and troubleshooting based on your specific system configuration.
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of units of measure (base unit, alternative units, etc.) and how they are used in SAP.
  Warehouse Management Processes: Familiarize yourself with the processes in warehouse management, including stock movements, inventory management, and how units of measure are applied in these processes.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling unit of measure issues in warehouse management.
  
  By following these steps, you should be able to resolve the PK625 error and ensure that your warehouse operations run smoothly.