How To Fix /SCWM/RF_DE134 - You can only enter differences once

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/RF_DE -

• Message number: 134

• Message text: You can only enter differences once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/RF_DE134 - You can only enter differences once ?

  The SAP error message /SCWM/RF_DE134 You can only enter differences once typically occurs in the context of the SAP Extended Warehouse Management (EWM) module, particularly when dealing with inventory differences or adjustments. This error indicates that the system has detected an attempt to enter a difference for a stock item that has already been processed.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that a difference for the same stock item has already been recorded. The system prevents further entries to maintain data integrity and avoid confusion.
  Status of the Document: The document or transaction may already be in a status that does not allow further modifications.
  Configuration Settings: There may be specific configuration settings in the system that restrict the entry of differences after a certain point in the process.
  
  Solution:
  
  Check Existing Differences: Review the inventory differences that have already been entered for the stock item in question. You can do this by navigating to the relevant inventory management or warehouse management transactions.
  Document Status: Ensure that the document you are trying to modify is in a status that allows for changes. If it is already posted or completed, you may need to reverse or adjust the document instead of entering a new difference.
  Consult Logs: Check the system logs or transaction history to understand what has been recorded previously for that item.
  Configuration Review: If you believe that the system should allow multiple entries, consult with your SAP EWM configuration team to review the settings related to inventory differences.
  Use Alternative Transactions: If you need to make adjustments, consider using alternative transactions or methods that are designed for correcting or adjusting inventory discrepancies.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP EWM, such as /SCWM/PRDIFF for processing inventory differences.
  Documentation: Refer to SAP Help documentation for Extended Warehouse Management for detailed guidance on handling inventory differences.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to enter or modify inventory differences in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data in your SAP environment.