How To Fix /SCWM/MIGRATION138 - Cannot change inventory type when the bin already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MIGRATION -

• Message number: 138

• Message text: Cannot change inventory type when the bin already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MIGRATION138 - Cannot change inventory type when the bin already exists ?

  The SAP error message /SCWM/MIGRATION138 Cannot change inventory type when the bin already exists typically occurs in the context of warehouse management in SAP Extended Warehouse Management (EWM). This error indicates that there is an attempt to change the inventory type of a bin that already has existing stock or inventory assigned to it.
  Cause:
  
  Existing Stock: The primary cause of this error is that the bin in question already contains stock, and the system does not allow changing the inventory type for bins that are currently occupied.
  Configuration Issues: There may be configuration settings in the warehouse management system that restrict changes to inventory types under certain conditions.
  Data Migration: This error can also occur during data migration processes where the system is trying to update or change the inventory type of bins that already have stock.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Stock Levels: Verify if there is any stock in the bin. If there is stock, you will need to either:
  
  Move the stock to another bin.
  Remove the stock from the bin (if applicable).
  Change the inventory type after ensuring the bin is empty.
  
  
  
  Review Configuration: Check the configuration settings for the warehouse management system to ensure that the rules regarding inventory type changes are correctly set up.
  
  
  Use Transaction Codes: If you are performing a migration or bulk update, ensure you are using the correct transaction codes and processes that allow for such changes without violating existing stock conditions.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to warehouse management and inventory types for any specific guidelines or restrictions.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific version of SAP EWM you are using.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM, such as /SCWM/PRD for production-related tasks or /SCWM/TO for transfer orders, which may help in managing stock and bins.
  User Roles and Authorizations: Ensure that the user attempting to make the changes has the necessary authorizations to perform inventory type changes.
  
  By following these steps, you should be able to address the error and successfully manage inventory types in your SAP EWM system.