How To Fix /SCWM/TO_WHR020 - Source bin &1 differs from posting change bin &2 of whse request &3, &4

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/TO_WHR -

• Message number: 020

• Message text: Source bin &1 differs from posting change bin &2 of whse request &3, &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/TO_WHR020 - Source bin &1 differs from posting change bin &2 of whse request &3, &4 ?

  The SAP error message /SCWM/TO_WHR020 typically occurs in the context of Warehouse Management (WM) or Extended Warehouse Management (EWM) when there is a discrepancy between the source bin and the posting change bin during a transfer order (TO) process. This error indicates that the system has detected that the source bin (where the goods are currently located) does not match the posting change bin (the bin where the goods are supposed to be moved to) as defined in the warehouse request.
  Cause:
  
  Configuration Issues: The warehouse configuration may not be set up correctly, leading to mismatches between the source and posting change bins.
  Incorrect Warehouse Request: The warehouse request may have been created with incorrect bin information.
  Manual Entry Errors: Users may have manually entered incorrect bin details during the transfer order creation or processing.
  Stock Type Issues: The stock type in the source bin may not allow for the transfer to the specified posting change bin.
  System Logic: The system may have specific logic that requires certain conditions to be met for the transfer to be valid.
  
  Solution:
  
  Verify Warehouse Request: Check the warehouse request associated with the transfer order to ensure that the source and posting change bins are correctly defined.
  Check Bin Configuration: Review the configuration of the bins in the warehouse management settings to ensure they are set up correctly and that the source bin is allowed to post changes to the specified posting change bin.
  Correct Manual Entries: If the error was caused by manual entry, correct the bin information in the transfer order or warehouse request.
  Review Stock Types: Ensure that the stock type in the source bin is compatible with the posting change bin.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the error message and any additional configuration settings that may be required.
  Test in a Development Environment: If changes are made to the configuration, test the process in a development or quality assurance environment before applying changes to the production system.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SCWM/TO_CREATE, /SCWM/TO_CONFIRM, or /SCWM/TO_DISPLAY to manage transfer orders and warehouse requests.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform actions related to transfer orders and warehouse management.
  Training and Documentation: Consider providing training for users involved in warehouse operations to minimize manual entry errors and improve understanding of the system's requirements.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant with expertise in SAP EWM/WM for further assistance.