How To Fix M1056 - No change documents found - have they already been converted?

SAP Error Message - Details

• Message type: E = Error

• Message class: M1 - Internal RW Documents

• Message number: 056

• Message text: No change documents found - have they already been converted?

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 M1056 - No change documents found - have they already been converted? ?

  The SAP error message M1056 "No change documents found - have they already been converted?" typically occurs in the context of Material Management (MM) or related modules when the system is unable to find change documents for a material or other related objects. This can happen during various operations, such as when trying to view the change history of a material or when performing a transaction that relies on change documents.
  Cause:
  
  
  No Change Documents Created: The most common reason for this error is that no change documents have been created for the material or object in question. This can happen if the material has not been modified since its creation.
  
  
  Change Document Deletion: Change documents may have been deleted or purged from the system, either manually or through a data archiving process.
  
  
  Configuration Issues: The system may not be configured to create change documents for certain types of changes or objects.
  
  
  Authorization Issues: The user may not have the necessary authorizations to view change documents.
  
  
  Data Conversion: If the data has been migrated or converted from another system, the change documents may not have been transferred or created in the new system.
  
  
  Solution:
  
  
  Check Change Document Settings: Ensure that the change document functionality is enabled for the relevant object types in the configuration settings. This can be done in the customizing settings of SAP.
  
  
  Verify Material Changes: Check if the material or object has been modified. If it has not been changed since its creation, there will be no change documents available.
  
  
  Review Authorization: Ensure that the user has the necessary authorizations to view change documents. This can be checked in the user roles and profiles.
  
  
  Data Migration Review: If the error occurred after a data migration, review the migration process to ensure that change documents were included or created as part of the migration.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or documentation that may address this specific error or provide additional troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to change documents, such as MM03 (Display Material) or MM02 (Change Material), where you might encounter this error.
  Change Document Tables: Understand the relevant tables that store change documents, such as CDPOS (Change Document Items) and CDHDR (Change Document Header), which can be queried to investigate further.
  Documentation: Review SAP documentation related to change documents and material management for a deeper understanding of how change documents are created and managed within the system.
  
  By following these steps, you should be able to diagnose and potentially resolve the M1056 error in SAP.