How To Fix DMC_RT_MSG052 - &2: Portion &1 has already been transferred

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 052

• Message text: &2: Portion &1 has already been transferred

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 DMC_RT_MSG052 - &2: Portion &1 has already been transferred ?

  The SAP error message DMC_RT_MSG052 with the description "Portion &1 has already been transferred" typically occurs in the context of data migration or data transfer processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that a specific portion of data (identified by &1) has already been processed or transferred, and the system is preventing a duplicate transfer.
  Cause:
  
  Duplicate Transfer Attempt: The most common cause of this error is that the data portion you are trying to transfer has already been successfully transferred in a previous operation.
  Incorrect Data Selection: The data selection criteria may have included records that were already processed.
  Session Management: If multiple sessions or processes are running simultaneously, one session may have already transferred the data portion while another is attempting to do the same.
  
  Solution:
  
  Check Transfer Logs: Review the transfer logs to confirm whether the data portion has indeed been transferred. This will help you identify if the error is due to a duplicate transfer.
  Adjust Data Selection: Modify your data selection criteria to exclude the already transferred portions. Ensure that you are only attempting to transfer new or unprocessed data.
  Use the Correct Session: If you are running multiple sessions, ensure that you are not trying to transfer the same data in different sessions. Synchronize your processes to avoid conflicts.
  Data Validation: Validate the data before attempting to transfer it again. This can help prevent errors related to duplicate entries.
  Consult Documentation: Refer to the SAP documentation or help resources related to the Data Migration Cockpit for specific guidance on handling this error.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP to minimize the risk of encountering similar errors in the future.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.