How To Fix /SCWM/CORE_API103 - Alternative unit of measure cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/CORE_API -

• Message number: 103

• Message text: Alternative unit of measure cannot be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/CORE_API103 - Alternative unit of measure cannot be changed ?

  The SAP error message /SCWM/CORE_API103 Alternative unit of measure cannot be changed typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an attempt to change the alternative unit of measure (UoM) for a product or material that is not allowed due to certain constraints or settings in the system.
  Cause:
  
  Configuration Settings: The system may be configured in such a way that the alternative unit of measure is fixed and cannot be changed after it has been set.
  Material Master Data: The material master data may have restrictions that prevent changes to the alternative UoM.
  Active Transactions: There may be active transactions or stock movements that are linked to the current alternative UoM, making it impossible to change it.
  Data Consistency: The system enforces data consistency rules that prevent changes to the alternative UoM if it would lead to inconsistencies in inventory management or reporting.
  
  Solution:
  
  Check Material Master Data: Review the material master data for the product in question. Ensure that the alternative UoM is set correctly and that there are no restrictions preventing changes.
  Review Configuration: Check the configuration settings in the EWM system related to units of measure. This may involve looking at the settings in the customizing transaction (SPRO) for EWM.
  Check for Active Transactions: Ensure that there are no active transactions (like stock transfers, deliveries, etc.) that are currently using the alternative UoM. If there are, you may need to complete or cancel those transactions before making changes.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional insights or updates that may address the issue.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide specific guidance based on your system configuration and version.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide updates to the EWM module.
  Transaction Codes: Familiarize yourself with transaction codes related to material management and EWM, such as MM03 (Display Material), MM02 (Change Material), and SPRO (Customizing).
  User Roles and Authorizations: Ensure that the user attempting to make the change has the necessary authorizations to modify material master data.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.