How To Fix W-128 - All Suppliers in current and future assignments are being updated

SAP Error Message - Details

• Message type: E = Error

• Message class: W- -

• Message number: 128

• Message text: All Suppliers in current and future assignments are being updated

Self-Explanatory Message

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• What is the cause and solution for SAP error message W-128 - All Suppliers in current and future assignments are being updated ?

  SAP Message:
  
  W-128 All Suppliers in current and future assignments are being updated
  
  Cause:
  This warning message typically appears in SAP when you are performing a mass update or change to supplier master data (e.g., in transaction XK02, XK99, or during a mass update via LSMW or other tools). The system notifies you that all supplier records in the current and future assignments will be updated as part of the operation.
  In other words, the system is informing you that the changes you are making will affect all suppliers assigned to the relevant organizational units (company codes, purchasing organizations, etc.) both currently and in the future.
  
  Explanation:
  
  The message is a warning (W), not an error, so the system allows you to proceed but wants to ensure you are aware of the scope of the update.
  It usually occurs when you update supplier master data fields that are valid for multiple or all assignments.
  The system is cautioning you that the update will apply broadly, which might have unintended consequences if you are not careful.
  
  
  Solution / How to proceed:
  
  
  Review the scope of your update carefully:
  
  Confirm that you intend to update all suppliers in the current and future assignments.
  Check the selection criteria or the organizational units involved.
  
  
  
  If the update is intended:
  
  You can proceed with the update after acknowledging the warning.
  No further action is needed other than confirming the message.
  
  
  
  If the update is NOT intended:
  
  Refine your selection criteria to limit the update to specific suppliers or assignments.
  Check if you are updating fields that affect all assignments and consider updating only assignment-specific data if possible.
  Use transaction codes or tools that allow more granular updates.
  
  
  
  Backup / Test:
  
  Always perform such mass updates in a test or quality system first.
  Take a backup or export the current supplier master data before proceeding.
  
  
  
  
  Related Information:
  
  Transaction codes: XK01 (Create Supplier), XK02 (Change Supplier), XK99 (Mass Changes), LSMW (Legacy System Migration Workbench) for mass updates.
  Master Data Concepts: Supplier master data in SAP is maintained at different levels — general data, company code data, purchasing organization data. Some fields are valid across all assignments.
  SAP Notes / Documentation: Check SAP Notes or the SAP Help Portal for specific notes related to mass updates and supplier master data.
  Impact: Changes to supplier master data can affect purchasing, accounting, and reporting processes.
  
  
  Summary:
  
  Message W-128 is a warning indicating that your update will affect all suppliers in current and future assignments.
  Confirm your intent before proceeding.
  Adjust your selection or update strategy if you want to limit the scope.
  Proceed with caution to avoid unintended data changes.
  
  
  If you want, I can help you with specific steps or transaction codes related to your scenario.