How To Fix WS491 - Document cannot be restored. It comes from a different logical system

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 491

• Message text: Document cannot be restored. It comes from a different logical system

What causes this issue?

The document was created in a different logical system.

System Response

The document is not restored. Instead it is copied to a new archive.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

For security reasons, it is not possible to restore data to a different
logical system. The document was created in logical system &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS491 - Document cannot be restored. It comes from a different logical system ?

  SAP Error Message:
  
  WS491 - Document cannot be restored. It comes from a different logical system.
  
  Cause:
  This error occurs when you try to restore or repost a document in SAP that was originally created in a different logical system than the one you are currently working in. SAP uses the concept of logical systems to differentiate between different clients, systems, or environments in a distributed landscape (e.g., development, quality, production, or different company systems).
  When a document is created in one logical system and you attempt to restore or repost it in another without proper configuration or data transfer, SAP prevents this action to maintain data consistency and integrity.
  
  Explanation:
  
  Each SAP system/client is assigned a logical system name (configured in transaction SALE or BD54).
  Documents are tagged with the logical system where they were created.
  When restoring or reposting, SAP checks if the document belongs to the current logical system.
  If it does not, SAP throws WS491 to prevent cross-system inconsistencies.
  
  
  Typical Scenarios:
  
  Restoring a document from a backup or transport that originated in a different system.
  Attempting to repost or reverse a document that was originally posted in another logical system.
  Issues during data replication or ALE/IDoc processing where logical system assignments are mismatched.
  
  
  Solution:
  
  
  Check Logical System Configuration:
  
  Verify the logical system name of your current SAP system (transaction SALE or BD54).
  Check the logical system assigned to the document (can be found in document header or related tables).
  
  
  
  Ensure Correct Logical System Assignment:
  
  If you are working in a distributed environment, ensure that the logical system names are correctly assigned and consistent.
  For ALE/IDoc scenarios, verify partner profiles and logical system mappings.
  
  
  
  Data Transfer and Synchronization:
  
  If you need to work with documents from another logical system, consider transferring the data properly using ALE/IDocs or other data migration tools.
  Avoid manual restoration or reposting of documents across logical systems.
  
  
  
  Restore in the Original Logical System:
  
  If possible, perform the restore or repost operation in the original logical system where the document was created.
  
  
  
  Consult SAP Notes:
  
  Check for any SAP Notes related to WS491 for your specific SAP version and module.
  
  
  
  
  Related Information:
  
  Transaction SALE: Display/change logical system.
  Transaction BD54: Maintain logical systems.
  ALE/IDoc Configuration: Logical system plays a key role in distributed processing.
  Tables:  
  
  T000: Client and logical system assignment.  
  BKPF: Accounting document header (contains logical system info).
  
  
  
  
  Summary:
  The WS491 error is a safeguard to prevent restoring or reposting documents across different logical systems, which could lead to data inconsistencies. The solution involves verifying and aligning logical system configurations and performing operations within the correct system context.
  
  If you provide more context (module, transaction, scenario), I can help with more specific guidance.