How To Fix CNVMBTREORG056 - The log with external number &1 and log number &2 already exist.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTREORG - Messages for reorganization

• Message number: 056

• Message text: The log with external number &1 and log number &2 already exist.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBTREORG056 - The log with external number &1 and log number &2 already exist. ?

  The SAP error message CNVMBTREORG056 indicates that there is an attempt to create a log entry that already exists in the system. This typically occurs during data migration or transformation processes, where logs are generated to track the status of the operations being performed.
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Log Entry: The system is trying to create a log entry with an external number and log number that already exists in the database.
  Concurrency Issues: Multiple processes may be trying to create logs simultaneously, leading to conflicts.
  Data Migration Issues: During data migration, if the same log is being processed or created multiple times, this error can occur.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Logs: Verify if the log with the specified external number and log number already exists in the system. You can do this by querying the relevant log tables in the database.
  
  
  Use Unique Identifiers: Ensure that the external number and log number being used for new log entries are unique. This may involve modifying the logic in your data migration or transformation process to generate unique identifiers.
  
  
  Review Process Logic: If the error is due to concurrency, review the logic of your processes to ensure that they are not trying to create the same log entry at the same time. Implement locking mechanisms if necessary.
  
  
  Error Handling: Implement error handling in your data migration scripts to catch this specific error and handle it gracefully, such as skipping the creation of the log if it already exists.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or transformation process you are using. There may be specific guidelines or patches available.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. Provide them with the error details and any relevant logs for further analysis.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to check transaction codes related to data migration (e.g., LSMW, LTMC).
  Log Tables: Familiarize yourself with the log tables used in your migration process, as this will help you understand where the logs are stored and how to query them.
  SAP Notes: Search for SAP Notes related to the CNVMBTREORG056 error for any known issues or patches that may address the problem.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.